OUR TEAM

AN EXTRAORDINARY TEAM OF TALENT

Tom Barnes

Managing Partner, San Francisco & London

Tom is one of the two founding partners of Calibre One and is based in both San Francisco & London. He is responsible for ensuring that the founding principles of the business govern our activities and that our reputation continues to remain at the forefront of our industry. Prior to founding in 2000, Tom was head of practice for a major, international executive search firm. During his seven year tenure at that business, Tom always pushed for innovation, accountability and results and was a central figure in growing the company from 40 people to 850 by the time he left. Recruiting at the senior level since 1994, Tom has devoted all of that time to the acquisition of senior human capital for the internet technology and media industries with his focus exclusively on board positions, CEOs and their direct reports.

James Brocket

Partner, London

James is a co-Founder and Partner of Calibre One and co-leads the firm's activities in the EMEA region, based out of London.

With over 20 years of experience, his major focus has been on recruiting at Board, and C-level for businesses headquartered in Europe. He works closely with the private equity community and is a trusted advisor to a number of funds. He has also managed a vast number of leadership assignments for US companies across the EMEA region.

James holds a degree in Biological Sciences. Outside of work he is an active angel investor in tech companies, a parent to twin boys and an avid sports enthusiast (anything, but especially golf and rugby).

Dan Grosh

Managing Partner, San Francisco

Dan co-leads the North America operations and is a participant in Calibre One’s future growth strategy. With over a decade of executive search experience, clients and industry executives frequently leverage Dan’s perspective by seeking his advice on strategy as well as Board and company leadership selection.

He has built numerous senior management teams, placing Board Members, CEO's, CXO's, GM's and VP executives into public and private-sector technology & services companies in functions spanning General Management, Engineering, Sales, Marketing / Product, IT and Service Operations.

Previously, Dan was the Technology Practice Leader - Americas Region for Boyden, one of the largest retained executive search firms in the world. As one of their most active recruiters, he spearheaded the direction of the regional practice while managing key client relationships within the Global Technology and Clean Tech verticals. Dan’s prior experience includes serving as a Partner of a global executive search firm, where he led the Emerging Growth Companies Practice while also focusing on Fortune 1000 senior-level assignments; and as President of Grosh Associates for several years - a highlysuccessful boutique search firm that he founded. He began his career with Northwestern Mutual Life.

Dan holds an MBA from Golden Gate University and a BA in Communications from the University of Minnesota. He resides in the Bay Area with his wife & daughter and enjoys golf, tennis, skiing, travel, and music. Dan also holds leadership roles within a number of local charities, community groups, and professional associations.

Hector Macandrew

Partner, London

Hector co-leads the firm’s EMEA activities and is based in London.  He has over a decade of experience working with private equity funds and their portfolio companies.  He has supported on numerous transactions by referencing management teams and appointing Senior Advisors and buy-in leadership to companies, and has made a significant number of Board and senior appointments to portfolio companies.

Having worked for two boutique headhunting firms in London, Hector founded Hatton Grange in 2010 making board appointments across a variety of private equity-backed companies in retail, technology, healthcare, business services and manufacturing.  Hatton Grange was acquired by Calibre One in 2015.

Prior to becoming a headhunter, Hector pursued a career in the Arts, firstly as a pianist and conductor, latterly as Artists’ Manager of Scottish Opera.  He graduated from the University of York with a BA in Music. Hector continues to perform as a member of the Philharmonia Chorus and is involved in making pro bono appointments to Arts Organisations in the UK.

Diane McIntyre

Managing Partner, New York

Diane McIntyre co-leads C1's North American Operations and has been helping grow industry leading businesses through executive search for over 20 years. She brings to Calibre One a proven track record of recruiting CxO’s and VP’s for some of the most influential investors and entrepreneurs, as well as market-leading growth companies across the Technology industry.

Before Calibre One, Diane worked as a partner for three boutique executive search firms conducting C-level and VP-level assignments for Enterprise Software, Consumer Internet, and Digital Health.

Early in her career, Diane was a Principal and then Managing Director at Ramsey Beirne Associates, one of the leading technology recruiting firms in the world. Searches that Diane conducted helped to launch or bring to prominence some of today’s best-known companies in the Internet and software sector, including eBay, E-Trade, Netscape, Dell, Microsoft and WebMD. Over the last 20 years, Diane McIntyre has overseen numerous searches for the role of CEO, CMO, CRO, and VPacross all functional disciplines.

Diane lives in NY with her husband and children. She is high-energy and enthusiastic about exercise, music as a singer/pianist, and about anything health related.

Ed Montoya

Partner, San Francisco

Ed Montoya brings two decades of experience advising Founders, CEO's, Board Members, and senior leaders on their most important leadership and recruitment initiatives. Ed leads Calibre One's Global Financial Officer Practice and has recruited over 100 senior finance leaders across the spectrum of public and private companies, ranging from emerging growth to Fortune 100.

He takes an inclusive approach to executive recruitment and is proud to have helped clients increase the number of women and people of color in senior executive positions across high technology, healthcare and financial services. Recent clients and past placements include the CFO’s of Cisco, Nvidia, Roku, Pinterest, Carbon, AVG, Apartment List, Seattle Genetics, AAA, Norwest Venture Partners and other category defining leaders.

Prior to joining Calibre One Ed was a core leader of Spencer Stuart's Financial Officer Practice in Silicon Valley/San Francisco. Ed developed his passion for the Financial Officer function early in his career as a technology and financial services investment banker at Morgan Stanley and M&A professional for publicly traded Affiliated Managers Group.

Ed earned an MBA from the UCLA Anderson School of Management and graduated from U.C. Berkeley with high distinction in Economics.

Aanand Varanasi

Partner, Menlo Park

Aanand Varanasi has been helping industry-leading icons in technology grow and build through acquisition of superior leaders and outstanding talent for more than 25 years in Silicon Valley. He and filling key roles companies and requirements all over the world. Aanand leads assignments across the software, internet, and technology sectors. Having worked in Enterprise Infrastructure for more than 10 years, Aanand leads C1’s practice in the Enterprise Infrastructure domain and functionally in Enterprise Engineering & IT leaders.

Starting his career in executive search working for a Korn Ferry acquisition, Aanand brings an inside perspective to executive search, having spent 14 years as the head of HR and head of Talent for corporations including Medallia, Palm and VMware. While at VMware, Aanand was responsible for finding leaders across all functions and locations, organically growing the teams from 200 people, through a successful acquisition by EMC, then IPO, to more than 14,000 in headcount globally. Aanand personally conducted searches for VMware leaders across all geographies as VMware opened up global operations in all continents.

Aanand spent his undergraduate education studying Biology at the University of California San Diego and studying business at Notre Dame de Namur University.

Aanand enjoys family time with his son. He frequents the local mountains, coaches a ski team team in the California Sierras, competes in historic automobile racing, and enjoys boating on the delta and bay.

Tom Crawford

Partner, Menlo Park

Tom has been an executive search partner to technology companies big and small for 15 years. In addition to having participated in hundreds of senior-level executive placements, including CEO, CIO, CTO and VP-level roles, clients and industry executives have sought out Tom’s counsel and expertise on a number of growth related topics including executive assessment, incentive compensation, change management and leadership development.

 

Prior to Calibre One, Tom was a founding partner at a leading Silicon Valley boutique executive search firm where his firm focused on C-level and VP-level retained search assignments in technology companies falling into the consumer, mobile, digital media, healthcare, financial services, and software industry sectors.

 

Tom’s career in executive search was preceded by 10+ years of operational experience in high-growth, venture backed startups and he was an early, central figure in the bringing to market of multiple technology innovations. His efforts were instrumental in delivering to consumers the first web-based and mobile email products as well as ground-breaking anti-spam and anti-phishing SaaS solutions to the enterprise. Tom participated in multiple funding events and successful exits, including three startup acquisitions totaling over $200 Million prior to his joining XOOM.com, which went public after only 2 years and $10 million raised. XOOM’s IPO in combination with a $250 Million secondary offering resulted in 30x returns to investors and led to the company's acquisition by General Electric (NBC).

 

Tom studied Political Science at the University of California at Davis where he also worked part-time at the UC Davis Career Center helping graduating seniors polish their resumes and interview skills. Tom was born and raised in California and resides in the Bay Area with his wife and two children where they enjoy skiing, golf, hiking in the Sierras, and fundraising for their local schools.

David Schumer

Partner, New York

David brings a diverse, hands on perspective to executive search based on a successful career as an investment banker, investor, and search consultant.
It is from these experiences that he can offer a truly unique consultative view and bring a depth of technical understanding to the market.

He brings to Calibre One a proven track record of recruiting investment professionals, sales executives, and c-level leaders in the asset and wealth management industry.

Before Calibre One, David worked as a principal for a boutique executive search firm focused exclusively on asset and wealth management. Previously, he was a senior equity analyst and portfolio manager at Tribe Capital Management and at HBK. David began his career as an investment banker at Lehman Brothers.

David lives in New York with his wife, two children, and their dog, Rocky.

Honor Pollok

Partner, London

Honor leads Calibre One’s Media, Entertainment, Gaming & Sports practice providing executive search across a range of publicly quoted, private equity backed, multi-national and privately-owned businesses.

Honor brings 35 years of industry leadership and executive search experience working at an international level. She has placed executives in Board, CEO and Executive level, senior management and non-executive director roles as well as senior operating executives in commercial, finance, HR, production, creative, strategy, communications, marketing, operations, sales, corporate development, legal and commercial affairs functions. Renowned for her depth of industry understanding and network Honor has a particular interest in the promotion of gender diversity.

Prior to joining Calibre One, Honor has been Partner and Head of the Media & Entertainment practice at two other leading global executive search firms. She also spent more than 20 years in the media and entertainment industry, including an eight year tenure with the Walt Disney Company where she led international sales operations and was responsible for key strategic projects. Her early career was in film library and television production.

Honor holds a Master’s degree in Human Resources.

Venesa Klein

Partner, San Francisco

Since 2007, Venesa Klein has helped some of the world’s most successful companies build out the critical leadership teams that drive their success.

As Partner at Calibre One, she successfully places executive leaders across a wide range of technology, new media and software sectors. Klein also heads up the company’s Purpose-Driven Practice, which focuses on placing senior-level executives in growing organizations seeking to create innovation with meaningful impact. This includes companies that focus on empowering employees and/or making positive social impact such as benefit corporations, B-Corps, L3Cs and other purpose-driven companies as well as investment companies focused on this emerging sector.

Prior to joining Calibre One, Klein was the senior recruiter at MarketTools, a market research and technology company. She was responsible for full-cycle, international, executive recruiting across the company. Klein was first introduced to corporate recruiting as a consultant at Google where she was recruited to build out their internal executive search function. She began her executive search career at The Pacific Firm, a premier San Francisco Bay Area boutique firm. Her practice concentrated on the recruitment of executives for venture capital funded start-ups and established high-growth companies in consumer branded goods, retail, consumer and business technology.

Klein is an outdoor enthusiast and spends as much time as possible with her young son while exploring. She is an active supporter of a number of animal welfare and environmental causes.

Thomas Green

Partner, London

Thomas has over 15 years' experience in the executive search industry, most recently leading the Digital Technology Practice of a top tier search firm.

Prior to Calibre One he enjoyed a six year tenure with Korn/Ferry, gaining promotion to Client Partner within the Technology Practice whilst focusing on the convergence space.

During his earlier career in executive search Thomas worked, inhouse, at a leading venture capital firm, helping build out the management teams of the company’s portfolio investments.

Having graduated as an engineer from Sheffield Hallam University, Thomas began his career in product development and research working for a FTSE listed electronics and engineering company.

In his spare time, Thomas is the proud father to two daughters and enjoys attending live music events!

Hannah Joyce

Partner, London

Hannah is a Partner at Calibre One based in London and brings over a decade of experience in executive search specializing in the appointment of Chair, CEO and top-level Executives in a range of public and private companies. Her expertise is focused on digital, marketing, commercial leadership and digital transformation searches and she supports plc’s and venture capital and private equity investors in identifying and attracting world class leaders in strategy, growth, restructuring and turnaround scenarios. She has also assisted many European based businesses to expand internationally and many US based companies in their market entry strategies into Europe.

Prior to Calibre One, Hannah led the Internet and Digital Transformation practice for Odgers Berndtson and more recently she was part of the Global Technology & Consumer practice at Heidrick & Struggles.

Hannah holds a BSc Honours in Biomedical Sciences from The University of Leeds.

In her personal life, Hannah is an experienced mindfulness mentor and a keen sportswoman with a passion for the outdoor life, particularly kite-surfing.

Anthony Cenzano

Partner, New York

Anthony brings more than seven years experience in retained executive search to Calibre One. He has spent all of this time partnering closely with entrepreneurs, management teams, and investors to help build exceptional management teams. He has made VP & C-level placements for some of the largest and fastest growing internet companies of this generation, including AirBnB, Machine Zone, and Zynga. Anthony focuses on executive searches in Product Development (VPE, CTO, VP Product) and Operations (COO, CFO).

 

Prior to Calibre One he spent time at Daversa Partners and Riviera Partners, two of the leading Retained Search for privately-held internet and technology startups in the US.

 

When he is not connecting the top 1% of talent with exceptional companies; Anthony spends his time surfing, seeing live music, and traveling as much as possible. Anthony lives in New York City with his wife, Lindsey.

 

 

 

Amanda Grant

Partner, New York

Amanda’s executive search expertise harnesses a unique combination of search experience, asset management, and distribution leadership. As a search consultant with tactical and strategic business management experience, Amanda understands the challenges and opportunities of asset management firms and brings a breadth of perspective and innovation to her client partnerships.

Amanda brings to Calibre One a distinguished track record of recruiting distribution and investment professionals in asset and wealth management. She frequently advises asset management leaders on all aspects of their domestic and global distribution structures, strategy, and talent needs.

Prior to Calibre One, Amanda was a managing partner for a boutique executive search firm dedicated to distribution and investment search in asset and wealth management. Previously, Amanda was the global head of institutional client service and a member of the operating committee at Columbia Management. Before that, Amanda was the head of the institutional client service and member of the executive committee at Babson Capital Management. Amanda’s earlier career included an institutional leadership role at Oppenheimer Capital and a position as head of the institutional service for Mitchell Hutchins Asset Management. Amanda was the co-founder of Curant Associates, a management consulting boutique dedicated to distribution consulting in asset and wealth management. She is also the founder of USAdopt, the first national US adoption consultancy.

Amanda graduated from Pace University with BA in English Literature and Marketing, and from Hunter College – CUNY with an MA in English Literature. She is an advocate for children without families and professional women, a Latin dancer, and lives in New Jersey with her son and their cats and dog.

David Madden

Partner, Menlo Park

David is one of the search industries leading technology recruiters, known for his tenacity and relentlessness in pursuit of finding the right candidate(s) for his clients. David is passionate about client service and spends significant time educating himself on his client’s business, management team, unique culture, and competitive landscape, helping to drive profitable growth and improve overall company performance.

David’s primary focus is General Management and Go To Market (Sales & Marketing) roles, reporting directly to the CEO (or Board of Directors) within the technology market place. He has specific expertise in Enterprise Software, Big Data & Analytics, Artificial Intelligence, and FinTech. At Calibre One, he partners with Board of Directors, CEO’s and their management teams of growth-stage technology companies both public and privately held, ranging in size from working with founders and ventures investors on new business concepts to helping provide the leadership and gravitas necessary to attract senior executives to private equity-owned companies. A few notable clients include Adaptive Insights, Automation Anywhere, Avetta, Forcepoint, JDA, MariaDB, Mercury Payment Systems, and QuanticMind.

Born and raised in Silicon Valley with 20 plus years of work experience, David’s deep-rooted network dates back to his childhood. Having enjoyed the beautiful topography growing up, he is an avid outdoor enthusiast whose hobbies include skiing, hiking, golf, tennis and running. He is a graduate of Tulane University and lives in Los Gatos, CA with his wife and three sons.

Ryan Polich

Vice President, Menlo Park

Ryan brings more than a decade of executive search experience to Calibre One, where he leads search execution and client relationships along with supporting searches across the firm. He’s spent his entire career in recruiting, developing broad exposure to industries and functions and a style focused on excellent process and rigorous execution. He has domain experience includes searches in technology and financial services; functional experience with corporate leadership and government relations.

Prior to joining Calibre One, Ryan was a Partner with IQTalent Partners, where he led executive searches and directed complex recruiting initiatives for a wide variety of clients, including SaaS, consumer internet, and industrial technologies. Ryan joined IQTalent from CapitolWorks, a boutique executive search firm in Washington, DC, where he recruited political, communications, and public affairs professionals to influence technology, healthcare, pharma, finance, and other regulated industries. His clients included the nation's leading lobbying firms, Fortune 500 companies, foreign multinationals, and celebrity-led advocacy organizations. Previous to CapitolWorks, Ryan was with Quellos Group LLC, a hedge fund and investment firm that served large institutions and substantial private clients around the world. Ryan got his start in recruiting at the Seattle, Washington office of Heidrick & Struggles where he was a member of the International Technology Practice during the peak of the dot-com boom.

Ryan earned a bachelor's degree from the University of Puget Sound and a master's degree from the University of Wisconsin-Madison, where he studied International Relations. He is active in politics, loves travel, and spends his weekends on the bike trails and running paths of the Bay Area.

Mark S. Frank

Vice President, Stamford

Mark is a globally focused retained executive search professional who leads searches across all major functional areas at the CxO and VP levels. With over a decade in the industry, Mark has worked with companies of all sizes, from pre-revenue startups to the Fortune 100 to solve their most pressing leadership challenges. Having successfully completed searches for private, including private equity and venture capital backed, and public companies in and from the Americas, Europe, and Asia, Mark is able to evaluate the leadership, cultural, and technical needs of a client and quickly identify the best executives for his client.

Prior to joining Calibre One, Mark was with Allegis Partners, the retained executive search firm owned by the Allegis Group. While with Allegis Partners, Mark led internal recruiting during a period of rapid growth while serving a variety of clients. Before Allegis Partners, Mark worked at CTPartners, where he was an Associate in the Global Professional Services Practice and worked with the world’s premier consulting and business services firms. Prior to entering search, Mark held positions on Capitol Hill and with Maxjet Airways, a startup airline.

Mark graduated from The George Washington University with a degree in International Affairs and Spanish. Mark is an avid traveler and has visited five continents and lived in Madrid, Spain and San Jose, Costa Rica. A leader in his community, Mark sits on the Board of Directors for Jewish Family Service of Stamford and is the Vice President of an organization affiliated with GWU. Mark and his wife, an educator, live in Stamford, CT and are always planning their next trip. Mark is based in Calibre One’s Stamford office and divides his time among Stamford, New York City, and San Francisco.

Debbie Lorell

Principal, Menlo Park

Debbie leads assignments throughout North America, EMEA, & APAC to deliver top notch VP & C-level candidates across all functional disciplines for companies of all sizes, from pre-revenue start-ups to Fortune 100.

Prior to joining Calibre One, she spent four years at Leading Edge Partners LLC, a premier boutique search firm based in Silicon Valley. She delivers outstanding results with an exceptional completion rate.

Before joining the executive search industry, Debbie worked in residential Real Estate, servicing the high-end housing market in the mid-peninsula. She also worked in advertising sales and as an Account Manager at AT&T, ranking in the top 10 percent of sales associates, winning numerous honors and awards over the years.

Debbie is an avid athlete who enjoys running, yoga, hiking, and biking. She is also a fabulous gourmet cook.

Jennifer Harris

Principal, San Francisco

Jen joined Calibre One as an Associate and is responsible for identifying candidates, initiating contact, and guiding them through the entire search process.

Jen started her recruiting career in high-tech publishing as a researcher on internal executive-level positions. After seven years in publishing, Jen worked for Mobius Venture Capital (formerly Softbank Venture Capital) where she was their in-house recruiter responsible for managing external vendor relationships as well as, providing direct placement support from individual contributor to senior management level positions to early-stage companies across multiple business sectors. She also provided human resource and employee relations support to the firm’s portfolio companies. After leaving the venture firm, Jen moved from in-house recruitment to the vendor side of recruitment where she worked for a couple of high-tech staffing firms on permanent and contract placement initiatives for their perspective clients.

Jen is a bay area native. She and her husband have two grown children. In her spare time, Jen enjoys reading a good book, running, practicing yoga or playing indoor soccer. She also loves to watch sports and listen to music.

Antonia Halliday

Principal, London

Antonia is a Principal at Calibre One, and is based out of our London office. She was part of the team that joined Calibre One following its acquisition of Hatton Grange in 2015.

Antonia specializes in consumer and healthcare within the private equity and venture capital industry, sourcing Executive and Non-Executive Board appointments for portfolio companies, as well advising and supporting on transactions with our key private equity clients. Prior to joining Hatton Grange in 2012, Antonia spent three years in executive search focusing on private equity and investment banking assignments. She graduated from the University of Leeds with a BSc Hons in Biological Sciences.

Kristie Audiat

Associate, San Francisco

Kristie Audiat has been with Calibre One since early 2006. Prior to joining Calibre One, she worked as a technical contract recruiter placing candidates from programmer to director level throughout the western United States.

 

Before that, she worked as an in-house recruiter for a multi-billion dollar company based in the Bay Area, where she specialized in recruiting senior technical positions.

 

Kristie is a graduate of The University of California where she majored in International Relations. She is an avid sports enthusiast who enjoys reading political biographies and traveling whenever she can.

Tora Squire

Senior Associate, London

Tora is based in our London office and provides research and analysis support to searches across EMEA. She works across a range of sectors but has a particular focus on technology, internet and mobile.

Tora came to Calibre One from another boutique search firm, where she also specialised in tech-focused roles. She read Renaissance Studies & Theology at Exeter University before going to the Courtauld Institute of Art to do a Postgraduate Diploma in the History of Art.

Justine Navarrette

Associate, San Francisco

Justine is an Associate based in our San Francisco office. She collaborates with innovative companies across the US in building out their executive leadership teams in consumer internet, enterprise software and clean technology.

Justine earned a B.A. in Criminal Justice from San Francisco State University. Justine enjoys riding her motorcycle and traveling in addition to adventures that involve food.

Jonathan Schwebel

Associate, New York

Jonathan is an Associate based in our New York City office. He collaborates with innovative companies across the US in building out their executive leadership teams in the software, fintech and technology space.

Prior to joining Calibre One he spent 7 years in the financial services and financial technology arena selling software as a service and market data to some of the most prominent multinational corporations, hedge funds and buyside participants in the world.

He currently lives in Westchester, NY with his wife and boxer puppy Morrison. He loves the outdoors, classic rock, traveling, and supporting the Syracuse Orange.

Vaiva Uryzaj

Senior Associate, London

Vaiva Uryzaj is based in Calibre One’s London office and provides research and analysis supporting European assignments in the technology space.

Vaiva’s primary focus is on senior roles within VC and PE backed consumer internet, software and deep tech businesses. Her recent assignments have covered technical, product and commercial leadership roles.

She graduated from Royal Holloway, University of London with a first class degree in Management with Human Resources.

Eloise Howells

Senior Associate, London

Eloise is based in our London office and works closely with the Partners to execute global assignments. Her fields of expertise are appointing senior roles within VC and PE backed digital and media verticals. Recent appointments have included finance, marketing and operational leadership roles.

Eloise joined Calibre One after having spent one year working for another boutique headhunter specializing in supporting private equity backed businesses. She graduated from the University of Liverpool with a MA in Classics. Never one to do anything in half measures, outside of work she is a committed amateur boxer, competing at an international level.

Nicole McDougal

Associate, San Francisco

Nicole joined Calibre One in 2018 as an Associate based in our San Francisco office and provides research and support on C-level searches to our Partners.

Prior to joining Calibre One, Nicole worked as an in-house recruiter focused on Operations, Logistics, and IT hiring. Nicole is a graduate of Santa Clara University where she majored in Communication and Entrepreneurship. Outside of work, she enjoys spending time with her family, reading a good book, and exploring the beautiful hiking trails located in the Bay.

Niklas Cedenheim

Associate, London

Niklas Cedenheim is based in our London office and provides research support to the Partners, focusing primarily on senior roles within VC and PE-backed tech-enabled companies.

Niklas has lived and worked in Sweden, the United Kingdom and Hong Kong. He joined Calibre One after graduating from the University of Glasgow with a first-class degree in Psychology.

Tom Humphreys

Associate, London

Tom is based in our London office and provides research to the partners on C-Level searches. He graduated from The University of Leeds with a Ba in Geography. Outside of work Tom is a keen rugby player and loves all things sport related.

Emily Stenquist:

Research Associate, San Francisco

Emily is a Research Associate based in the San Francisco office. She first began working for Calibre One as an Executive Assistant. Emily collects and organizes the entirety of the company’s research data, streamlining and facilitating present searches to make way for new ones. Additionally, she sources top talent in a variety of different fields, ranging from biotechnology to consumer products.

Originally from the Los Angeles area, Emily has a degree in Political Science from Mount St. Mary’s University. She began her professional career in the political sphere, recruiting campaign volunteers as well as designing and implementing campaign strategies. In her spare time, Emily is a cinephile, baker, outdoor explorer, art lover, and loves to spend quality time with her family and friends.

Craig Dessen

Consultant

"Craig has twelve years of investment industry experience. He was a Managing Director at Roundtable Investment Partners, LLC where he was responsible for leading private equity fund investments. Prior to that, he was a Partner and Managing Director at Post Rock Advisors, LLC where he advised family office and institutional investors and led investment due diligence on long equity managers, hedge fund managers and private investment funds. Craig began his career at Arrow Electronics, Inc. where he was responsible for Financial Planning and Analysis.

Craig has an MBA from Columbia Business School and graduated with honors from the Pennsylvania State University. Craig is a CFA charter holder."

Suzanne Cranshaw

Head of Finance & Operations, London

Suzanne started her career working in admin for KPMG, rising through the ranks in both their Liverpool and Manchester offices.

She moved to London in 1996 to help several ex-KPMG Partners found a start-up financial advisory consultancy.

Suzanne joined Calibre One as Office Manager in 2002 before becoming Head of Finance and Operations in 2008.

Within this role Suzanne had responsibility for overseeing all aspects of Finance, HR, Marketing, IT and Facilities for both the London and San Francisco offices.

Since having her daughter, Tilly, in 2010 Suzanne now works part-time and so focuses mainly on running the Finance function across the group, whilst working closely with each of the local Office Managers to ensure the smooth running of Calibre One globally.

Sherri Cervelli

Vice President, Human Resources and Operations, San Francisco

Sherri Cervelli excels at managing the day-to-day operations of the US team.

She maintains and oversees the San Francisco Office, as well as accounts payable, accounts receivable, human resources and IT. She also provides assistance to the Partners on special projects and marketing. Her attention to detail and expert skills make it possible for the team to function smoothly and effectively.

Prior to joining Calibre One, Sherri worked as an Executive Assistant for five years and has worked in multiple industries including banking, real estate/mortgage and financial.

Sherri holds a Bachelor’s degree in Business Administration with a concentration in Marketing. She is very active and enjoys spin and yoga. She loves city life and spending time with her family, friends, and well loved dog.

Katie Nelson

Accounting, San Francisco

Katie has over 15 years of experience providing accounting, payroll and HR services to a wide range of industries, including IT Staffing, Consulting Services, SaaS, and Not-For-Profit. In addition, Katie assists her clients with various consulting services, procedures, software tools to help efficiency, revenue recognition guidance and financial reporting. Katie values client interaction and prides herself on providing valuable service with tangible results.

Barbora Valkova

Executive Assistant, London

As Executive Assistant, Barbora controls all aspects of administration, working closely on assignments with all the UK Partners, clients and candidates.

Barbora moved to London from the Czech Republic to study English in 2005. She joined Calibre One in 2011 in a role that has proved crucial to the smooth running of the London office.

In addition to her Executive Assistant work, Barbora also controls HR, IT and facilities management functions for the London office.

Barbora holds a Bachelor’s degree in Social Anthropology. Outside of work, she enjoys traveling, reading books and visiting art galleries.

Miriam Shewry

Executive Assistant, London

Based in the London office, Miriam provides administrative support for two of Calibre One’s London Partners. She is a highly adaptive executive support professional with a strong background in project management and business development. Underpinned with front-line sales and marketing experience, Miriam is an expert at building and nurturing relationships as a foundation to achieve greater business impact. She thrives on seeking solutions to emerging issues.

Originally from Ireland, Miriam moved to London in 2000 and joined Calibre One in 2018 as an Executive Assistant. Outside of work Miriam is a self-confessed Geek and enjoys board games and heavy metal.

Adriana Cholico

Executive Assistant, Menlo Park

As Executive Assistant, Adriana oversees all administration and assists all Partners in Menlo Park with all necessary projects. Prior to joining Calibre One, Adriana worked under various Partners and Associates at a Global Law Firm. Her administrative experience and exposure to the countless tasks and urgent deadlines within the firm, fueled her to seek more challenges in her professional field.

 

Outside of work, Adriana is currently working to obtain her Bachelor’s Degree in Psychology as one of her ambitions is to one day provide Children with Professional Therapy. During her free time, Adriana is an avid reader and loves to pick up new recipes to try in her kitchen.

Melissa Smith

Executive Assistant, New York

Based in New York, Melissa provides administrative support and project management for Calibre One’s East Coast Partners and Associates. Melissa has over twenty years of experience as an executive assistant in a variety of fast-paced law firms and insurance companies. Keeping everyone organized and ensuring all the trains are running on track is her specialty. Outside of work, Melissa enjoys spending time with her two children, exercising, eating healthy, and listening to country music.

Mabel Tong

Executive Assistant, San Francisco

Based in the San Francisco, Mabel joined the company in 2019 as an Executive Assistant supporting the Northern California team. Before joining Calibre One, Mabel worked in facilities and operations at an insurance brokerage firm. Her experience in administration has motivated her to pursue skills in time management and attention-to-detail further.

Mabel graduated from UC Davis majoring in International Relations and Communication. Outside of work, she volunteers for programs that advocate and normalize the conversation for teen suicide awareness. During her free time, Mabel loves to go kickboxing, read, and travel.

Tom Barnes

Tom is one of the two founding partners of Calibre One and is based in both San Francisco & London. He is responsible for ensuring that the founding principles of the business govern our activities and that our reputation continues to remain at the forefront of our industry. Prior to founding in 2000, Tom was head of practice for a major, international executive search firm. During his seven year tenure at that business, Tom always pushed for innovation, accountability and results and was a central figure in growing the company from 40 people to 850 by the time he left. Recruiting at the senior level since 1994, Tom has devoted all of that time to the acquisition of senior human capital for the internet technology and media industries with his focus exclusively on board positions, CEOs and their direct reports.

e: tom.barnes@calibreone.com
t: 415-794-9952

James Brocket

James is a co-Founder and Partner of Calibre One and co-leads the firm's activities in the EMEA region, based out of London.

With over 20 years of experience, his major focus has been on recruiting at Board, and C-level for businesses headquartered in Europe. He works closely with the private equity community and is a trusted advisor to a number of funds. He has also managed a vast number of leadership assignments for US companies across the EMEA region.

James holds a degree in Biological Sciences. Outside of work he is an active angel investor in tech companies, a parent to twin boys and an avid sports enthusiast (anything, but especially golf and rugby).

e: james.brocket@calibreone.com
t: +44 207 070 3019

Dan Grosh

Dan co-leads the North America operations and is a participant in Calibre One’s future growth strategy. With over a decade of executive search experience, clients and industry executives frequently leverage Dan’s perspective by seeking his advice on strategy as well as Board and company leadership selection. He has built numerous senior management teams, placing Board Members, CEO's, CXO's, GM's and VP executives into public and private-sector technology & services companies in functions spanning General Management, Engineering, Sales, Marketing / Product, IT and Service Operations. Previously, Dan was the Technology Practice Leader - Americas Region for Boyden, one of the largest retained executive search firms in the world. As one of their most active recruiters, he spearheaded the direction of the regional practice while managing key client relationships within the Global Technology and Clean Tech verticals. Dan’s prior experience includes serving as a Partner of a global executive search firm, where he led the Emerging Growth Companies Practice while also focusing on Fortune 1000 senior-level assignments; and as President of Grosh Associates for several years - a highlysuccessful boutique search firm that he founded. He began his career with Northwestern Mutual Life. Dan holds an MBA from Golden Gate University and a BA in Communications from the University of Minnesota. He resides in the Bay Area with his wife & daughter and enjoys golf, tennis, skiing, travel, and music. Dan also holds leadership roles within a number of local charities, community groups, and professional associations.

e: dan.grosh@calibreone.com
t: 1 (415) 722 2964

Hector Macandrew

Hector co-leads the firm’s EMEA activities and is based in London.  He has over a decade of experience working with private equity funds and their portfolio companies.  He has supported on numerous transactions by referencing management teams and appointing Senior Advisors and buy-in leadership to companies, and has made a significant number of Board and senior appointments to portfolio companies.

Having worked for two boutique headhunting firms in London, Hector founded Hatton Grange in 2010 making board appointments across a variety of private equity-backed companies in retail, technology, healthcare, business services and manufacturing.  Hatton Grange was acquired by Calibre One in 2015.

Prior to becoming a headhunter, Hector pursued a career in the Arts, firstly as a pianist and conductor, latterly as Artists’ Manager of Scottish Opera.  He graduated from the University of York with a BA in Music. Hector continues to perform as a member of the Philharmonia Chorus and is involved in making pro bono appointments to Arts Organisations in the UK.

e: hector.macandrew@calibreone.com
t: +44 207 070 3009

Diane McIntyre

Diane McIntyre co-leads C1's North American Operations and has been helping grow industry leading businesses through executive search for over 20 years. She brings to Calibre One a proven track record of recruiting CxO’s and VP’s for some of the most influential investors and entrepreneurs, as well as market-leading growth companies across the Technology industry. Before Calibre One, Diane worked as a partner for three boutique executive search firms conducting C-level and VP-level assignments for Enterprise Software, Consumer Internet, and Digital Health. Early in her career, Diane was a Principal and then Managing Director at Ramsey Beirne Associates, one of the leading technology recruiting firms in the world. Searches that Diane conducted helped to launch or bring to prominence some of today’s best-known companies in the Internet and software sector, including eBay, E-Trade, Netscape, Dell, Microsoft and WebMD. Over the last 20 years, Diane McIntyre has overseen numerous searches for the role of CEO, CMO, CRO, and VPacross all functional disciplines. Diane lives in NY with her husband and children. She is high-energy and enthusiastic about exercise, music as a singer/pianist, and about anything health related.

e: diane.mcintyre@calibreone.com
t: +1 (212) 228-1244

Ed Montoya

Ed Montoya brings two decades of experience advising Founders, CEO's, Board Members, and senior leaders on their most important leadership and recruitment initiatives. Ed leads Calibre One's Global Financial Officer Practice and has recruited over 100 senior finance leaders across the spectrum of public and private companies, ranging from emerging growth to Fortune 100.

He takes an inclusive approach to executive recruitment and is proud to have helped clients increase the number of women and people of color in senior executive positions across high technology, healthcare and financial services. Recent clients and past placements include the CFO’s of Cisco, Nvidia, Roku, Pinterest, Carbon, AVG, Apartment List, Seattle Genetics, AAA, Norwest Venture Partners and other category defining leaders.

Prior to joining Calibre One Ed was a core leader of Spencer Stuart's Financial Officer Practice in Silicon Valley/San Francisco. Ed developed his passion for the Financial Officer function early in his career as a technology and financial services investment banker at Morgan Stanley and M&A professional for publicly traded Affiliated Managers Group.

Ed earned an MBA from the UCLA Anderson School of Management and graduated from U.C. Berkeley with high distinction in Economics.

e: ed.montoya@calibreone.com
t: 1-415-290-9572

Aanand Varanasi

Aanand Varanasi has been helping industry-leading icons in technology grow and build through acquisition of superior leaders and outstanding talent for more than 25 years in Silicon Valley. He and filling key roles companies and requirements all over the world. Aanand leads assignments across the software, internet, and technology sectors. Having worked in Enterprise Infrastructure for more than 10 years, Aanand leads C1’s practice in the Enterprise Infrastructure domain and functionally in Enterprise Engineering & IT leaders.

Starting his career in executive search working for a Korn Ferry acquisition, Aanand brings an inside perspective to executive search, having spent 14 years as the head of HR and head of Talent for corporations including Medallia, Palm and VMware. While at VMware, Aanand was responsible for finding leaders across all functions and locations, organically growing the teams from 200 people, through a successful acquisition by EMC, then IPO, to more than 14,000 in headcount globally. Aanand personally conducted searches for VMware leaders across all geographies as VMware opened up global operations in all continents.

Aanand spent his undergraduate education studying Biology at the University of California San Diego and studying business at Notre Dame de Namur University.

Aanand enjoys family time with his son. He frequents the local mountains, coaches a ski team team in the California Sierras, competes in historic automobile racing, and enjoys boating on the delta and bay.

e: aanand.varanasi@calibreone.com
t: 1 650 251 4923

Tom Crawford

Tom has been an executive search partner to technology companies big and small for 15 years. In addition to having participated in hundreds of senior-level executive placements, including CEO, CIO, CTO and VP-level roles, clients and industry executives have sought out Tom’s counsel and expertise on a number of growth related topics including executive assessment, incentive compensation, change management and leadership development.   Prior to Calibre One, Tom was a founding partner at a leading Silicon Valley boutique executive search firm where his firm focused on C-level and VP-level retained search assignments in technology companies falling into the consumer, mobile, digital media, healthcare, financial services, and software industry sectors.   Tom’s career in executive search was preceded by 10+ years of operational experience in high-growth, venture backed startups and he was an early, central figure in the bringing to market of multiple technology innovations. His efforts were instrumental in delivering to consumers the first web-based and mobile email products as well as ground-breaking anti-spam and anti-phishing SaaS solutions to the enterprise. Tom participated in multiple funding events and successful exits, including three startup acquisitions totaling over $200 Million prior to his joining XOOM.com, which went public after only 2 years and $10 million raised. XOOM’s IPO in combination with a $250 Million secondary offering resulted in 30x returns to investors and led to the company's acquisition by General Electric (NBC).   Tom studied Political Science at the University of California at Davis where he also worked part-time at the UC Davis Career Center helping graduating seniors polish their resumes and interview skills. Tom was born and raised in California and resides in the Bay Area with his wife and two children where they enjoy skiing, golf, hiking in the Sierras, and fundraising for their local schools.

e: tom.crawford@calibreone.com
t: +1 (650) 251 4920

David Schumer

David brings a diverse, hands on perspective to executive search based on a successful career as an investment banker, investor, and search consultant. It is from these experiences that he can offer a truly unique consultative view and bring a depth of technical understanding to the market. He brings to Calibre One a proven track record of recruiting investment professionals, sales executives, and c-level leaders in the asset and wealth management industry. Before Calibre One, David worked as a principal for a boutique executive search firm focused exclusively on asset and wealth management. Previously, he was a senior equity analyst and portfolio manager at Tribe Capital Management and at HBK. David began his career as an investment banker at Lehman Brothers. David lives in New York with his wife, two children, and their dog, Rocky.

e: david.schumer@calibreone.com
t: (212) 729-3634

Honor Pollok

Honor leads Calibre One’s Media, Entertainment, Gaming & Sports practice providing executive search across a range of publicly quoted, private equity backed, multi-national and privately-owned businesses.

Honor brings 35 years of industry leadership and executive search experience working at an international level. She has placed executives in Board, CEO and Executive level, senior management and non-executive director roles as well as senior operating executives in commercial, finance, HR, production, creative, strategy, communications, marketing, operations, sales, corporate development, legal and commercial affairs functions. Renowned for her depth of industry understanding and network Honor has a particular interest in the promotion of gender diversity.

Prior to joining Calibre One, Honor has been Partner and Head of the Media & Entertainment practice at two other leading global executive search firms. She also spent more than 20 years in the media and entertainment industry, including an eight year tenure with the Walt Disney Company where she led international sales operations and was responsible for key strategic projects. Her early career was in film library and television production.

Honor holds a Master’s degree in Human Resources.

e: honor.pollok@calibreone.com
t: +44 (0) 20 7070 3012

Venesa Klein

Since 2007, Venesa Klein has helped some of the world’s most successful companies build out the critical leadership teams that drive their success.

As Partner at Calibre One, she successfully places executive leaders across a wide range of technology, new media and software sectors. Klein also heads up the company’s Purpose-Driven Practice, which focuses on placing senior-level executives in growing organizations seeking to create innovation with meaningful impact. This includes companies that focus on empowering employees and/or making positive social impact such as benefit corporations, B-Corps, L3Cs and other purpose-driven companies as well as investment companies focused on this emerging sector.

Prior to joining Calibre One, Klein was the senior recruiter at MarketTools, a market research and technology company. She was responsible for full-cycle, international, executive recruiting across the company. Klein was first introduced to corporate recruiting as a consultant at Google where she was recruited to build out their internal executive search function. She began her executive search career at The Pacific Firm, a premier San Francisco Bay Area boutique firm. Her practice concentrated on the recruitment of executives for venture capital funded start-ups and established high-growth companies in consumer branded goods, retail, consumer and business technology.

Klein is an outdoor enthusiast and spends as much time as possible with her young son while exploring. She is an active supporter of a number of animal welfare and environmental causes.

e: venesa.klein@calibreone.com
t: + 1 (415) 504 1153

Thomas Green

Thomas has over 15 years' experience in the executive search industry, most recently leading the Digital Technology Practice of a top tier search firm. Prior to Calibre One he enjoyed a six year tenure with Korn/Ferry, gaining promotion to Client Partner within the Technology Practice whilst focusing on the convergence space. During his earlier career in executive search Thomas worked, inhouse, at a leading venture capital firm, helping build out the management teams of the company’s portfolio investments. Having graduated as an engineer from Sheffield Hallam University, Thomas began his career in product development and research working for a FTSE listed electronics and engineering company. In his spare time, Thomas is the proud father to two daughters and enjoys attending live music events!

e: thomas.green@calibreone.com
t: +44 (0) 207 070 3027

Hannah Joyce

Hannah is a Partner at Calibre One based in London and brings over a decade of experience in executive search specializing in the appointment of Chair, CEO and top-level Executives in a range of public and private companies. Her expertise is focused on digital, marketing, commercial leadership and digital transformation searches and she supports plc’s and venture capital and private equity investors in identifying and attracting world class leaders in strategy, growth, restructuring and turnaround scenarios. She has also assisted many European based businesses to expand internationally and many US based companies in their market entry strategies into Europe. Prior to Calibre One, Hannah led the Internet and Digital Transformation practice for Odgers Berndtson and more recently she was part of the Global Technology & Consumer practice at Heidrick & Struggles. Hannah holds a BSc Honours in Biomedical Sciences from The University of Leeds. In her personal life, Hannah is an experienced mindfulness mentor and a keen sportswoman with a passion for the outdoor life, particularly kite-surfing.

e: hannah.joyce@calibreone.com
t: +44 (0)20 7070 3024

Anthony Cenzano

Anthony brings more than seven years experience in retained executive search to Calibre One. He has spent all of this time partnering closely with entrepreneurs, management teams, and investors to help build exceptional management teams. He has made VP & C-level placements for some of the largest and fastest growing internet companies of this generation, including AirBnB, Machine Zone, and Zynga. Anthony focuses on executive searches in Product Development (VPE, CTO, VP Product) and Operations (COO, CFO).   Prior to Calibre One he spent time at Daversa Partners and Riviera Partners, two of the leading Retained Search for privately-held internet and technology startups in the US.   When he is not connecting the top 1% of talent with exceptional companies; Anthony spends his time surfing, seeing live music, and traveling as much as possible. Anthony lives in New York City with his wife, Lindsey.      

e: anthony.cenzano@calibreone.com
t: +1 (732) 236-4244

Amanda Grant

Amanda’s executive search expertise harnesses a unique combination of search experience, asset management, and distribution leadership. As a search consultant with tactical and strategic business management experience, Amanda understands the challenges and opportunities of asset management firms and brings a breadth of perspective and innovation to her client partnerships.

Amanda brings to Calibre One a distinguished track record of recruiting distribution and investment professionals in asset and wealth management. She frequently advises asset management leaders on all aspects of their domestic and global distribution structures, strategy, and talent needs.

Prior to Calibre One, Amanda was a managing partner for a boutique executive search firm dedicated to distribution and investment search in asset and wealth management. Previously, Amanda was the global head of institutional client service and a member of the operating committee at Columbia Management. Before that, Amanda was the head of the institutional client service and member of the executive committee at Babson Capital Management. Amanda’s earlier career included an institutional leadership role at Oppenheimer Capital and a position as head of the institutional service for Mitchell Hutchins Asset Management. Amanda was the co-founder of Curant Associates, a management consulting boutique dedicated to distribution consulting in asset and wealth management. She is also the founder of USAdopt, the first national US adoption consultancy.

Amanda graduated from Pace University with BA in English Literature and Marketing, and from Hunter College – CUNY with an MA in English Literature. She is an advocate for children without families and professional women, a Latin dancer, and lives in New Jersey with her son and their cats and dog.

e: amanda.grant@calibreone.com
t: (212) 393-4762

David Madden

David is one of the search industries leading technology recruiters, known for his tenacity and relentlessness in pursuit of finding the right candidate(s) for his clients. David is passionate about client service and spends significant time educating himself on his client’s business, management team, unique culture, and competitive landscape, helping to drive profitable growth and improve overall company performance.

David’s primary focus is General Management and Go To Market (Sales & Marketing) roles, reporting directly to the CEO (or Board of Directors) within the technology market place. He has specific expertise in Enterprise Software, Big Data & Analytics, Artificial Intelligence, and FinTech. At Calibre One, he partners with Board of Directors, CEO’s and their management teams of growth-stage technology companies both public and privately held, ranging in size from working with founders and ventures investors on new business concepts to helping provide the leadership and gravitas necessary to attract senior executives to private equity-owned companies. A few notable clients include Adaptive Insights, Automation Anywhere, Avetta, Forcepoint, JDA, MariaDB, Mercury Payment Systems, and QuanticMind.

Born and raised in Silicon Valley with 20 plus years of work experience, David’s deep-rooted network dates back to his childhood. Having enjoyed the beautiful topography growing up, he is an avid outdoor enthusiast whose hobbies include skiing, hiking, golf, tennis and running. He is a graduate of Tulane University and lives in Los Gatos, CA with his wife and three sons.

e: David.Madden@calibreone.com
t: +1 (415) 577-5477

Ryan Polich

Ryan brings more than a decade of executive search experience to Calibre One, where he leads search execution and client relationships along with supporting searches across the firm. He’s spent his entire career in recruiting, developing broad exposure to industries and functions and a style focused on excellent process and rigorous execution. He has domain experience includes searches in technology and financial services; functional experience with corporate leadership and government relations.

Prior to joining Calibre One, Ryan was a Partner with IQTalent Partners, where he led executive searches and directed complex recruiting initiatives for a wide variety of clients, including SaaS, consumer internet, and industrial technologies. Ryan joined IQTalent from CapitolWorks, a boutique executive search firm in Washington, DC, where he recruited political, communications, and public affairs professionals to influence technology, healthcare, pharma, finance, and other regulated industries. His clients included the nation's leading lobbying firms, Fortune 500 companies, foreign multinationals, and celebrity-led advocacy organizations. Previous to CapitolWorks, Ryan was with Quellos Group LLC, a hedge fund and investment firm that served large institutions and substantial private clients around the world. Ryan got his start in recruiting at the Seattle, Washington office of Heidrick & Struggles where he was a member of the International Technology Practice during the peak of the dot-com boom.

Ryan earned a bachelor's degree from the University of Puget Sound and a master's degree from the University of Wisconsin-Madison, where he studied International Relations. He is active in politics, loves travel, and spends his weekends on the bike trails and running paths of the Bay Area.

e: Ryan.Polich@calibreone.com
t: +1 (650) 251-4926

Mark S. Frank

Mark is a globally focused retained executive search professional who leads searches across all major functional areas at the CxO and VP levels. With over a decade in the industry, Mark has worked with companies of all sizes, from pre-revenue startups to the Fortune 100 to solve their most pressing leadership challenges. Having successfully completed searches for private, including private equity and venture capital backed, and public companies in and from the Americas, Europe, and Asia, Mark is able to evaluate the leadership, cultural, and technical needs of a client and quickly identify the best executives for his client.

Prior to joining Calibre One, Mark was with Allegis Partners, the retained executive search firm owned by the Allegis Group. While with Allegis Partners, Mark led internal recruiting during a period of rapid growth while serving a variety of clients. Before Allegis Partners, Mark worked at CTPartners, where he was an Associate in the Global Professional Services Practice and worked with the world’s premier consulting and business services firms. Prior to entering search, Mark held positions on Capitol Hill and with Maxjet Airways, a startup airline.

Mark graduated from The George Washington University with a degree in International Affairs and Spanish. Mark is an avid traveler and has visited five continents and lived in Madrid, Spain and San Jose, Costa Rica. A leader in his community, Mark sits on the Board of Directors for Jewish Family Service of Stamford and is the Vice President of an organization affiliated with GWU. Mark and his wife, an educator, live in Stamford, CT and are always planning their next trip. Mark is based in Calibre One’s Stamford office and divides his time among Stamford, New York City, and San Francisco.

e: mark.frank@calibreone.com
t: +1 (203) 355 3916

Debbie Lorell

Debbie leads assignments throughout North America, EMEA, & APAC to deliver top notch VP & C-level candidates across all functional disciplines for companies of all sizes, from pre-revenue start-ups to Fortune 100.

Prior to joining Calibre One, she spent four years at Leading Edge Partners LLC, a premier boutique search firm based in Silicon Valley. She delivers outstanding results with an exceptional completion rate.

Before joining the executive search industry, Debbie worked in residential Real Estate, servicing the high-end housing market in the mid-peninsula. She also worked in advertising sales and as an Account Manager at AT&T, ranking in the top 10 percent of sales associates, winning numerous honors and awards over the years.

Debbie is an avid athlete who enjoys running, yoga, hiking, and biking. She is also a fabulous gourmet cook.

e: debbie.lorell@calibreone.com
t: +1 (650) 251 4924

Jennifer Harris

Jen joined Calibre One as an Associate and is responsible for identifying candidates, initiating contact, and guiding them through the entire search process.

Jen started her recruiting career in high-tech publishing as a researcher on internal executive-level positions. After seven years in publishing, Jen worked for Mobius Venture Capital (formerly Softbank Venture Capital) where she was their in-house recruiter responsible for managing external vendor relationships as well as, providing direct placement support from individual contributor to senior management level positions to early-stage companies across multiple business sectors. She also provided human resource and employee relations support to the firm’s portfolio companies. After leaving the venture firm, Jen moved from in-house recruitment to the vendor side of recruitment where she worked for a couple of high-tech staffing firms on permanent and contract placement initiatives for their perspective clients.

Jen is a bay area native. She and her husband have two grown children. In her spare time, Jen enjoys reading a good book, running, practicing yoga or playing indoor soccer. She also loves to watch sports and listen to music.

e: jennifer.harris@calibreone.com
t: +1 (415) 445 4041

Antonia Halliday

Antonia is a Principal at Calibre One, and is based out of our London office. She was part of the team that joined Calibre One following its acquisition of Hatton Grange in 2015.

Antonia specializes in consumer and healthcare within the private equity and venture capital industry, sourcing Executive and Non-Executive Board appointments for portfolio companies, as well advising and supporting on transactions with our key private equity clients. Prior to joining Hatton Grange in 2012, Antonia spent three years in executive search focusing on private equity and investment banking assignments. She graduated from the University of Leeds with a BSc Hons in Biological Sciences.

e: antonia.halliday@calibreone.com
t: +44 207 070 3006

Kristie Audiat

Kristie Audiat has been with Calibre One since early 2006. Prior to joining Calibre One, she worked as a technical contract recruiter placing candidates from programmer to director level throughout the western United States.   Before that, she worked as an in-house recruiter for a multi-billion dollar company based in the Bay Area, where she specialized in recruiting senior technical positions.   Kristie is a graduate of The University of California where she majored in International Relations. She is an avid sports enthusiast who enjoys reading political biographies and traveling whenever she can.

e: kristie.audiat@calibreone.com
t: +1 (415) 504 1154

Tora Squire

Tora is based in our London office and provides research and analysis support to searches across EMEA. She works across a range of sectors but has a particular focus on technology, internet and mobile.

Tora came to Calibre One from another boutique search firm, where she also specialised in tech-focused roles. She read Renaissance Studies & Theology at Exeter University before going to the Courtauld Institute of Art to do a Postgraduate Diploma in the History of Art.

e: tora.squire@calibreone.com
t: +44 207 070 3022

Justine Navarrette

Justine is an Associate based in our San Francisco office. She collaborates with innovative companies across the US in building out their executive leadership teams in consumer internet, enterprise software and clean technology.

Justine earned a B.A. in Criminal Justice from San Francisco State University. Justine enjoys riding her motorcycle and traveling in addition to adventures that involve food.

e: justine.navarrette@calibreone.com
t: +1 (415) 445-4044

Jonathan Schwebel

Jonathan is an Associate based in our New York City office. He collaborates with innovative companies across the US in building out their executive leadership teams in the software, fintech and technology space. Prior to joining Calibre One he spent 7 years in the financial services and financial technology arena selling software as a service and market data to some of the most prominent multinational corporations, hedge funds and buyside participants in the world. He currently lives in Westchester, NY with his wife and boxer puppy Morrison. He loves the outdoors, classic rock, traveling, and supporting the Syracuse Orange.

e: Jonathan.schwebel@calibreone.com
t: +1 (914) 673-7168

Vaiva Uryzaj

Vaiva Uryzaj is based in Calibre One’s London office and provides research and analysis supporting European assignments in the technology space.

Vaiva’s primary focus is on senior roles within VC and PE backed consumer internet, software and deep tech businesses. Her recent assignments have covered technical, product and commercial leadership roles.

She graduated from Royal Holloway, University of London with a first class degree in Management with Human Resources.

e: vaiva.uryzaj@calibreone.com
t: + 44 (0)20 7070 3015

Eloise Howells

Eloise is based in our London office and works closely with the Partners to execute global assignments. Her fields of expertise are appointing senior roles within VC and PE backed digital and media verticals. Recent appointments have included finance, marketing and operational leadership roles.

Eloise joined Calibre One after having spent one year working for another boutique headhunter specializing in supporting private equity backed businesses. She graduated from the University of Liverpool with a MA in Classics. Never one to do anything in half measures, outside of work she is a committed amateur boxer, competing at an international level.

e: eloise.howells@calibreone.com
t: +44 207 070 3021

Nicole McDougal

Nicole joined Calibre One in 2018 as an Associate based in our San Francisco office and provides research and support on C-level searches to our Partners.

Prior to joining Calibre One, Nicole worked as an in-house recruiter focused on Operations, Logistics, and IT hiring. Nicole is a graduate of Santa Clara University where she majored in Communication and Entrepreneurship. Outside of work, she enjoys spending time with her family, reading a good book, and exploring the beautiful hiking trails located in the Bay.

e: nicole.mcdougal@calibreone.com
t: (415) 445-4040

Niklas Cedenheim

Niklas Cedenheim is based in our London office and provides research support to the Partners, focusing primarily on senior roles within VC and PE-backed tech-enabled companies.

Niklas has lived and worked in Sweden, the United Kingdom and Hong Kong. He joined Calibre One after graduating from the University of Glasgow with a first-class degree in Psychology.

e: Niklas.Cedenheim@calibreone.com
t: +44 (0)20 7070 3004

Tom Humphreys

Tom is based in our London office and provides research to the partners on C-Level searches. He graduated from The University of Leeds with a Ba in Geography. Outside of work Tom is a keen rugby player and loves all things sport related.

e: tom.humphreys@calibreone.com
t: +44 (0)20 7070 3005

Emily Stenquist:

Emily is a Research Associate based in the San Francisco office. She first began working for Calibre One as an Executive Assistant. Emily collects and organizes the entirety of the company’s research data, streamlining and facilitating present searches to make way for new ones. Additionally, she sources top talent in a variety of different fields, ranging from biotechnology to consumer products. Originally from the Los Angeles area, Emily has a degree in Political Science from Mount St. Mary’s University. She began her professional career in the political sphere, recruiting campaign volunteers as well as designing and implementing campaign strategies. In her spare time, Emily is a cinephile, baker, outdoor explorer, art lover, and loves to spend quality time with her family and friends.

e: emily.stenquist@calibreone.com
t: 661-607-1247

Craig Dessen

"Craig has twelve years of investment industry experience. He was a Managing Director at Roundtable Investment Partners, LLC where he was responsible for leading private equity fund investments. Prior to that, he was a Partner and Managing Director at Post Rock Advisors, LLC where he advised family office and institutional investors and led investment due diligence on long equity managers, hedge fund managers and private investment funds. Craig began his career at Arrow Electronics, Inc. where he was responsible for Financial Planning and Analysis. Craig has an MBA from Columbia Business School and graduated with honors from the Pennsylvania State University. Craig is a CFA charter holder."

e: Craig.Dessen@calibreone.com
t: +1 (646) 397-5909

Suzanne Cranshaw

Suzanne started her career working in admin for KPMG, rising through the ranks in both their Liverpool and Manchester offices.

She moved to London in 1996 to help several ex-KPMG Partners found a start-up financial advisory consultancy.

Suzanne joined Calibre One as Office Manager in 2002 before becoming Head of Finance and Operations in 2008.

Within this role Suzanne had responsibility for overseeing all aspects of Finance, HR, Marketing, IT and Facilities for both the London and San Francisco offices.

Since having her daughter, Tilly, in 2010 Suzanne now works part-time and so focuses mainly on running the Finance function across the group, whilst working closely with each of the local Office Managers to ensure the smooth running of Calibre One globally.

e: suzanne.cranshaw@calibreone.com
t: +44 (0) 20 7070 3007

Sherri Cervelli

Sherri Cervelli excels at managing the day-to-day operations of the US team. She maintains and oversees the San Francisco Office, as well as accounts payable, accounts receivable, human resources and IT. She also provides assistance to the Partners on special projects and marketing. Her attention to detail and expert skills make it possible for the team to function smoothly and effectively. Prior to joining Calibre One, Sherri worked as an Executive Assistant for five years and has worked in multiple industries including banking, real estate/mortgage and financial. Sherri holds a Bachelor’s degree in Business Administration with a concentration in Marketing. She is very active and enjoys spin and yoga. She loves city life and spending time with her family, friends, and well loved dog.

e: sherri.cervelli@calibreone.com
t: +1 (415) 904 1000

Katie Nelson

Katie has over 15 years of experience providing accounting, payroll and HR services to a wide range of industries, including IT Staffing, Consulting Services, SaaS, and Not-For-Profit. In addition, Katie assists her clients with various consulting services, procedures, software tools to help efficiency, revenue recognition guidance and financial reporting. Katie values client interaction and prides herself on providing valuable service with tangible results.

e: Accounting@calibreone.com
t: +1 (408) 214-9718

Barbora Valkova

As Executive Assistant, Barbora controls all aspects of administration, working closely on assignments with all the UK Partners, clients and candidates. Barbora moved to London from the Czech Republic to study English in 2005. She joined Calibre One in 2011 in a role that has proved crucial to the smooth running of the London office. In addition to her Executive Assistant work, Barbora also controls HR, IT and facilities management functions for the London office. Barbora holds a Bachelor’s degree in Social Anthropology. Outside of work, she enjoys traveling, reading books and visiting art galleries.

e: barbora.valkova@calibreone.com
t: +44 (0)20 7070 3017

Miriam Shewry

Based in the London office, Miriam provides administrative support for two of Calibre One’s London Partners. She is a highly adaptive executive support professional with a strong background in project management and business development. Underpinned with front-line sales and marketing experience, Miriam is an expert at building and nurturing relationships as a foundation to achieve greater business impact. She thrives on seeking solutions to emerging issues.

Originally from Ireland, Miriam moved to London in 2000 and joined Calibre One in 2018 as an Executive Assistant. Outside of work Miriam is a self-confessed Geek and enjoys board games and heavy metal.

e: miriam.shewry@calibreone.com
t: +44 (0)20 7070 3016

Adriana Cholico

As Executive Assistant, Adriana oversees all administration and assists all Partners in Menlo Park with all necessary projects. Prior to joining Calibre One, Adriana worked under various Partners and Associates at a Global Law Firm. Her administrative experience and exposure to the countless tasks and urgent deadlines within the firm, fueled her to seek more challenges in her professional field.   Outside of work, Adriana is currently working to obtain her Bachelor’s Degree in Psychology as one of her ambitions is to one day provide Children with Professional Therapy. During her free time, Adriana is an avid reader and loves to pick up new recipes to try in her kitchen.

e: adriana.cholico@calibreone.com
t: (650) 251-4921

Melissa Smith

Based in New York, Melissa provides administrative support and project management for Calibre One’s East Coast Partners and Associates. Melissa has over twenty years of experience as an executive assistant in a variety of fast-paced law firms and insurance companies. Keeping everyone organized and ensuring all the trains are running on track is her specialty. Outside of work, Melissa enjoys spending time with her two children, exercising, eating healthy, and listening to country music.

e: Melissa.smith@calibreone.com
t: 212-393-4759

Mabel Tong

Based in the San Francisco, Mabel joined the company in 2019 as an Executive Assistant supporting the Northern California team. Before joining Calibre One, Mabel worked in facilities and operations at an insurance brokerage firm. Her experience in administration has motivated her to pursue skills in time management and attention-to-detail further. Mabel graduated from UC Davis majoring in International Relations and Communication. Outside of work, she volunteers for programs that advocate and normalize the conversation for teen suicide awareness. During her free time, Mabel loves to go kickboxing, read, and travel.

e: mabel.tong@calibreone.com
t: (415) 445-4045

Our Track Record Speaks For Itself