OUR TEAM

AN EXTRAORDINARY TEAM OF TALENT

Tom Barnes

Managing Partner, San Francisco

James Brocket

Managing Partner, London

Dan Grosh

Partner, San Francisco

David Schumer

Partner, New York

Aanand Varanasi

Partner, San Jose

Thomas Green

Partner, London

Tom Crawford

Partner, San Jose

Hannah Joyce

Partner, London

Anthony Cenzano

Partner, New York

Amanda Grant

Partner, New York

David Madden

Partner, San Jose

Ryan Polich

Partner, Milwaukee/Chicago

David O’Toole

Partner, London

Victoria Lakers

Partner, San Diego

John Staines

Partner, Los Angeles

Scott Garner

Partner, Texas

Pedro Fernandes

Partner, London

Debbie Lorell

Principal, San Francisco

Mark S. Frank

Vice President, Stamford

Antonia Halliday

Principal, London

Vaiva Uryzaj

Principal, London

Kristie Audiat

Senior Associate, San Francisco

Justine Navarrette

Senior Associate, New York

Jonathan Schwebel

Senior Associate, New York

Randy Egter van Wissekerke

Senior Associate, San Francisco

Sarah Beecroft

Senior Associate, London

Anna Naylor

Senior Associate, London

Jessica Paster

Senior Associate, New York

Alexa Montagna

Senior Associate, Houston

Grace Juba

Senior Associate, Denver

Reese Gibson

Associate, New York

Shirley Zhang

Associate, New York

Sophie Wright

Associate, London

Phillip James Thomas

Associate, London

Jocelin Poon

Associate, San Francisco

Amanda Chvatal

Associate, South Carolina

Suzanne Cranshaw

Head of Finance & Operations, London

Sherri Cervelli

Vice President, Human Resources and Operations, San Francisco

Barbora Valkova

Executive Assistant/HR & Operations Manager, London

Melissa Smith

Executive Assistant, New York

Mabel Tong

Executive Assistant, San Francisco

Rachel Gundry

Accountant, London

Gabby Williams

Executive Assistant, London

Cera Peterson

Executive Assistant, Sacramento

Katie Nelson

Accounting, San Francisco

Tej Karena

Accounting, San Jose

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 Managing 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

With over two decades 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 into public and private sector technology & services companies. Dan has played a significant role at Calibre One. He served on the global operating committee with responsibility for management, vitality and scale of the US Operations, while driving record revenue growth during his tenure. Previously, Dan was the Technology Practice Leader - Americas Region for Boyden, one of the largest retained executive search firms in the world. Dan is also an Operating Partner at Diversis Capital where focuses on talent strategy, enhancing leadership teams and special projects for Diversis and the firm’s portfolio. Dan holds an MBA from Golden Gate University and a BA in Communications from the University of Minnesota.

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

David Schumer

David co-leads C1’s global financial innovation practice from New York City. With a distinguished track record of successfully recruiting c-level executives for industry transforming FinTechs, as well as front office professionals to the buyside, David advises his clients on team structures, strategy, and talent needs.

Honed expertise from his successful career as an investment banker, investor, and search consultant, David’s tactical and strategic business management experience adds a breadth of perspective and creativity to his client partnerships. He offers a truly unique consultative view and bring a depth of technical understanding to the market. He has a proven track record of recruiting investment professionals, distribution executives, and c-level leaders in investment management and FinTech.

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

David graduated Magna Cum Laude from The George Washington University with a BBA in Finance, International Business, and Economics. He lives in NYC with his wife, two children, and their dogs, Rocky and Ellie.

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

Aanand Varanasi

Aanand has been helping industry-leading icons in technology grow and build for more than 20 years. He has been practicing from Silicon Valley but filling key roles in key locations all over the world. Aanand leads assignments across the software, internet, and technology sectors. Starting his career in executive search working for a Korn Ferry acquisition, Aanand brings an inside perspective to executive search. He spent 14 years as the head of HR and head of Talent for corporations including Medallia, Palm, Palantir, and VMware. Early at VMware in 2002, Aanand was responsible for finding leaders across all functions and locations, organically growing the teams from 150 people, through a successful acquisition by EMC, then IPO, to more than 13,000 in headcount globally and $3B+ in revenue in 2009. Aanand is a programmer and techy since high school, and at Calibre One today, he leads our practice for enterprise technical leadership with an adept understanding of the tech stacks, data sciences, and Dev best practices. Aanand spent his undergraduate education studying Biology at the University of California San Diego and is currently studying business at Notre Dame de Namur University.

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

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

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

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 industry’s leading technology recruiters, known for his tenacity and relentless pursuit for finding the right candidates for 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 three sons.

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

Ryan Polich

Ryan leads executive searches for public companies and investor-backed businesses in technology, industrial, and healthcare segments. Ryan works closely with his clients to deliver high quality insights, authentic representation, and a candidate experience that gives his clients the edge in recruiting the best technology leaders with enduring impact.

Based in the Milwaukee/Chicago area after years in San Francisco, Ryan focuses on executive searches for C-level executives and their direct reports in product, engineering, and sales. Along with a robust portfolio in enterprise SaaS and life sciences, he spearheads Calibre One’s efforts in Internet-of-things (IoT) and industrial technology, including searches for drones, autonomous vehicles, and oil & gas digital transformation.

He began his career in executive search with the International Technology Practice at Heidrick & Struggles International, then went on to join a boutique search firm specialized in lobbying/public affairs and another as Partner focused on senior technology searches. Ryan earned a master’s degree in International Relations from the University of Wisconsin-Madison and a bachelor’s degree with honors in International Political Economy from the University of Puget Sound near Seattle.

e: Ryan.Polich@calibreone.com
t: +1 (312) 482-8662

David O’Toole

David is a Partner based in our London office and brings 17 years of executive search experience, specializing in board and senior executive appointments for fast growth technology and professional services organisations. David focuses on board and executive roles in cyber, defence prime, A.I, SaaS, systems integrators, professional services, and management consulting firms. He has a particular  specialism in security and automation and works extensively supporting organisations undergoing digital transformation.

Prior to joining Calibre One David was Client Partner for Digital Technology & Commerce at a specialist search boutique and spent four years as Practice Director of Technology and Professional Services at Harvey Nash. He holds a BA in Business Management from Staffordshire University.

In his personal life, David is associated with a number of charities promoting equal opportunity and social mobility. He  also spends time at the theatre, climbing with friends, training and enjoying all Richmond has to offer.

e: david.otoole@calibreone.com
t: +44 20 7070 3013

Victoria Lakers

Victoria is a Partner at Calibre One based in San Diego. Victoria is a dual specialist in C-Suite placements for innovative mission-driven consumer businesses and investor-backed B2B software companies. She brings together a rigorous search process with a broad perspective from experience in private equity and as an executive and entrepreneur. As a search consultant, Victoria leverages this perspective to truly understand the challenges executives face in scaling investor-backed organizations and gauge the best fit of both capabilities and competencies needed for the next stage of growth. She is also an avid learner who dives deeply into every client's business and industry.

Prior to joining Calibre One, Victoria was a Partner at a boutique search firm focused on C-Suite and board placements for private equity-backed portfolio companies and led their diversity practice. She also launched the inaugural "Top 25 Women in PE-Backed Software" list, an investor-nominated list of the top leaders in software.

Prior to her career in executive search, Victoria served in multiple executive roles for investor-backed sustainability-focused technology start-ups including as Chief Operating Officer, Chief Financial Officer and country General Manager. She also owned and sold two businesses, an ecommerce business and a visual communications business. Prior to that, Victoria spent six years in private equity at Water Asset Management, and at Apollo Global Management, working with some of the country’s largest institutional investors. Victoria graduated from McGill University with a Bachelor of Commerce in Marketing and Finance.

Victoria is a frequent speaker on topics including investing and entrepreneurship and is on the Board for the San Diego Air & Space Museum and the San Diego chapter of Tech Coast Angels, the largest angel group in the country. She co-chairs and hosts their Quick Pitch event, one of the area’s largest pitch competitions in the region. Victoria was recognized by the San Diego Business Journal as one of San Diego’s 40 Business Leaders Under 40 in 2018, a finalist in 2019, and a finalist for Business Women of the Year Awards in 2020. She lives in San Diego with her family and dog Frankie. She is an avid traveler, having visited over 35 countries, and once rode 3,000 km across India in a rickshaw during monsoon season.

e: victoria.lakers@calibreone.com
t: 1-646-339-5497

John Staines

John is an innovative and strategic Human Resources and Talent Acquisition leader with over 30 years’ experience recruiting and optimizing global leadership teams. John has advised clients for over a decade, from start-ups to Fortune 100 companies. He works with leaders to assess, structure, and build exemplary teams poised to achieve outstanding business results, with special emphasis on Diversity, Equity & Inclusion, Culture, and Employee Inspiration.

John designed and delivered Finance Academy for Hyatt Hotels, worked on talent optimization and strategic workforce planning for Owens Corning and Amway. As VP, HR Officer at Cigna, he developed a high potential leadership program that was recognized by The Boston Globe and Catalyst, an NGO focused on women in leadership, as a best-in-class leadership program for women. At The Gap, as VPHR, Global Supply Chain, he connected DE&I and business strategy to improve store performance. At Mattel, John combined three distinct business unit cultures and talent programs, with a combined savings of $385 Million, while improving talent pipelines and improving employee engagement by 30%. John held many leadership positions at PepsiCo, where he developed the first Voice Response Benefit Enrollment process in corporate America.

John received his BS in Economics with Honors from the University of Wisconsin-Madison and his MBA from the University of Michigan.

John has also served on several non-profit boards such as the American Diabetes Association of South Florida, the Board of Trustees of Renbrook School in West Hartford, CT, and was Vice Chair of AYSO, Region 1258. He taught “Managing Strategy in Healthcare”, an MBA course at Northeastern University. John is an avid golfer, hiker, soccer coach, and wine collector. John is fluent in Spanish and lives in Los Angeles with his wife, Jenny.

e: john.staines@calibreone.com
t: 310-218-2615

Scott Garner

As Partner at Calibre One, Scott manages senior-level search engagements while cultivating client business relationships across various technology segments. Prior to Calibre One, Scott spent 4 years as a Technology Practice Leader at Korn Ferry. Scott has 18 years of executive search experience from both the retained agency and corporate 'in house' sides of the business having held executive recruiting and leadership roles with Affiliated Computer Services, Xerox, Intel Corporation and Marsh & McLennan Companies. He also previously founded and managed his own executive search consultancy, Garner Executive Search, Inc. out of Dallas, Texas.

Scott has successfully placed hundreds of technology executives in 6 different countries and has served technology clients based in 10 different countries. He has significant experience working with leading Fortune 500 companies as well as start-ups, PE and VC backed companies, emerging growth firms and has developed a niche within the Systems & Devices, Software and IT Services segments.

Scott holds a Bachelor of Business Administration Degree in Human Resources Management from Baylor University. He has been an active member in the Society for Human Resources Management (SHRM) along with multiple professional networking organizations. Scott lives in Dallas, Texas with his wife, Jenny and their daughter, Abigail.

e: scott.garner@calibreone.com
t: 214-870-6311

Pedro Fernandes

Pedro is a Partner in our London office with over 20 years of experience operating within the Executive Search and Consulting domains, versed in ‘digital first’ strategy, culture change, technology transformation and Leadership advisory. Most recently Pedro was a key member of the leadership team within a high growth Technology Centric Management Consultancy that successfully sold in 2020. Pedro is highly adept at supporting business leaders in executing digital agendas and solving their leadership challenges, with a focus on Digital change, Technology, Product, Digital marketing, Payment platform scale and optimisation.

Pedro holds a BA in Classical Civilisations, is a multi-linguist and a very proud father of three children. He is also a sports enthusiast, music lover and avid supporter of Chelsea Football Club.

e: pedro.fernandes@calibreone.com
t: +44 (0)20 7070 3005

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

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

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

Vaiva Uryzaj

Vaiva is a Principal at Calibre One and is based out of our London office. Vaiva leads assignments in Europe with a primary focus on VP, C-Suite and Non-Executive leadership appointments within VC and PE backed consumer internet, software and deep tech businesses. She specializes in Product and Technology leadership appointments with a strong bias towards relocating executives from Silicon Valley to high-growth European tech companies. 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

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

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 (212) 393-4763

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 Florida with his 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

Randy Egter van Wissekerke

"Randy is a Senior Associate based in our San Francisco office. Randy executes searches across the US to deliver VP and C-level candidates across all functional disciplines for innovative companies of all sizes, from start-ups to fortune 100. Prior to joining Calibre One, Randy was a Director at Comhar Partners, a premier boutique retained search firm based in Chicago. Randy began his career in Executive Search with Reaction Search International, where he helped build out executive teams for companies across the US. Randy enjoys traveling with his family, weightlifting, and competing in amateur barbecue competitions. Randy was born and raised in the Bay Area and lives in Pleasant Hill, CA with his wife and three daughters."

e: randy.evw@calibreone.com
t: 925-890-3150

Sarah Beecroft

Sarah is a Senior Associate based in our London office from where she supports our Partners in search projects across all sectors and functions with a particular focus and experience in B2C and media.

Prior to her appointment at Calibre One, Sarah had a high-profile career in communications and public relations, starting out in print journalism before taking up an on-screen role as a news correspondent for major broadcasters including ITV and Sky News. Over a twenty-year period, Sarah interviewed a number of Prime Ministers, Olympic athletes and business leaders, crafting and taking their stories to air on many occasions in a live breaking-news situation.

Outside of the work environment Sarah is a keen skier having spent the last ten years both visiting and working in Morzine, in the French Alps.

e: sarah.beecroft@calibreone.com
t: +44 (0)20 7070 3022

Anna Naylor

Anna is a Senior Associate based in our London office and provides research support to the Partners at Calibre One.

She has a wealth of search experience across a range of sectors including: deep tech, consumer digital, medtech and life sciences and has worked at companies at all stages from early-stage VC-backed business through to listed global enterprises.

Before Calibre One she worked with several other highly regarded boutique search firms. She has a HND in Equine and Estate studies from Northampton University.

e: anna.naylor@calibreone.com
t: +44 207 070 3009

Jessica Paster

Jessica joined Calibre One in 2021 as a Senior Associate based in our New York office. Prior to joining Calibre One, she worked as an In-House Recruiter at Brookfield Asset Management, recruiting candidates from Analyst to Vice President level, within corporate practices including finance and real estate specifically. Before this, Jessica worked as a Senior Recruiter at Korn Ferry, a leading global executive search firm, working with clients specifically within investment banking, real estate, private equity, hedge fund, and professional services and strategy at all levels. Jessica is a graduate of Indiana University where she majored in Psychology.

Outside of work, she enjoys spending time with friends, family and her dog. She also enjoys traveling, trying new restaurants, and staying active.

e: Jessica.Paster@calibreone.com
t: 914-629-8129

Alexa Montagna

Alexa joined Calibre One in 2021 as a Senior Associate based out of Houston, Texas. She has 3 years of recruitment consulting experience. Alexa began her career in technology recruitment with Beacon Hill Staffing Group, then moved into executive search within the energy industry while working for a global retained firm, Aurex Group. She also worked for a renewable energy recruitment firm, Phillip Riley. Alexa graduated from The University of Alabama with a Bachelor’s degree in Communications.

Outside of work, Alexa enjoys spending time with her family, friends and her two golden retrievers. She also enjoys traveling, hiking, shopping and waterskiing.

e:
t: 609-346-5025

Grace Juba

Grace joined Calibre One in 2021 as a Senior Associate and is based out of Denver, Colorado. She brings 4 years of Executive Recruitment experience to support our partners. She started her recruiting career with Bradsby Group in 2017 where she specialized in the Energy & Industrial sector. Prior to Calibre One, she worked at Phillip Riley in the Clean Technology industry where she focused specifically on the Electric Vehicle and Charging Infrastructure market.

Grace enjoys travelling and spending time with friends and family outside of work. She is passionate about Social Impact and has been a contributing member of the non-profit, Global Orphan Prevention, since 2017.

e: Grace.Juba@calibreone.com
t: 1-720-660-1400

Reese Gibson

Reese is an Associate based in our New York office. She works closely with our Partners to collaborate with market leading firms across the US in building out their executive leadership teams, specializing in the financial services and technology sectors. Prior to joining Calibre One, Reese worked within Korn Ferry’s financial services Practice. Additionally, she has experience working at a leading financial services firm, serving as a member of their strategic business initiatives team.

Reese graduated from Bucknell University Freeman College of Management with a degree in Business Administration. She lives in Manhattan but will take any excuse to get out of the city to travel and be active.

e: Reese.gibson@calibreone.com
t: 1-774-545-0005

Shirley Zhang

Shirley joined Calibre One in 2021 as an Associate based in our New York office. Prior to joining Calibre One, Shirley spent 4 years playing an integral part in shaping the culture of an NYC tech startup by taking on a variety of roles ranging from People Operations, Recruiting, IT, Accounting, and Office Management.

Shirley is a graduate of Fordham University where she studied Entrepreneurship, Finance, and Psychology. Outside of work, she enjoys spending time with friends and family, exploring restaurants in the city, and listening to electronic music.

e: Shirley.Zhang@calibreone.com
t: +1 (917) 214-8196

Sophie Wright

Sophie is an Associate based in the London office, supporting the Partners in search project research.

Having graduated with First Class honours in Biomedicine, Sophie has varied experience of working within the healthcare and scientific sectors and participated in a range of internship opportunities prior to joining Calibre One. She has had a long-standing interest in technology and was a technology writer for a commercial awareness website which she helped to establish.

Outside of work, Sophie enjoys learning about new places and people. She pursued this passion through participating in a Malaysian expedition in which she aided turtle conservation efforts, and a Japanese exchange to Tokyo which, incidentally, enhanced her enthusiasm for cookery.

e: Sophie.wright@calibreone.com
t: +44 207 070 3021

Phillip James Thomas

Phillip James is an Associate based in our London Office where he works closely with our Partners to provide research support on executive search projects.

Prior to Calibre One, Phillip James worked remotely as an English as a foreign language teacher (EFL) at a school in Azerbaijan, teaching students at both secondary school and pre-school. He also has internship experience in various areas of law.

He earned a degree in BA History & Hispanic Studies with Portuguese from the University of Birmingham. He also studied at the University of Lisbon and the University of Málaga. A language enthusiast, he speaks English, Spanish and Portuguese fluently and is currently studying German.

Outside of work, Phillip James is a big fan of tennis, athletics and basketball.

e: Phillip.thomas@calibreone.com
t: +44 207 070 3004

Jocelin Poon

Jocelin is an Associate based in the San Francisco Bay Area. She previously worked at Calibre One from 2014 to 2017 as an Executive Assistant. Most recently, Jocelin lead Workplace Operations for Zscaler, seeing them through incredible growth after their successful IPO in March of 2018. During her time with Zscaler, Jocelin lead facilities, workplaces services, and real estate projects for Zscaler’s growing global portfolio.

Jocelin is a graduate of the Culinary Institute of America in Hyde Park, New York and has extensive food and beverage, wine, catering, and restaurant operations knowledge. Outside of work, she enjoys cooking delicious meals for her friends and family. Jocelin currently lives in Morgan Hill, CA with her husband and their two boys.

e: jocelin.poon@calibreone.com
t: 408-761-9588

Amanda Chvatal

Amanda is an Associate based in South Carolina. Prior to working in executive search Amanda was a successful real estate broker in the Chicago market, where she assisted landlords, clients and managers with property acquisition. She graduated from Iowa State University with a degree in Communication Studies and Apparel Merchandising.

Amanda currently lives in South Carolina, and outside of work loves to hike, bike and travel as often as possible!

e: Amanda.Chvatal@calibreone.com
t: 317-361-7188

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

Barbora Valkova

As Executive Assistant/HR & Operations Manager, 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

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 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

Rachel Gundry

Rachel qualified as an accountant at Deloitte, before working in various roles within Finance at Warner Music for 9 years.

She joined the finance team of Calibre One on a part time basis in 2015. Working alongside Suzanne, she helps to run the finances of the Calibre One Group globally.

Rachel graduated from University of Leeds with a BSc Hons in Mathematics. She now lives in Essex with her husband and two daughters, and in her spare time enjoys pilates and park run.

e: rachel.gundry@calibreone.com
t: +44 (0)20 7070 3026

Gabby Williams

Gabby is an Executive Assistant in the London office, providing administrative support to Partners, working closely on assignments with our clients, candidates and colleagues. Originally from South Africa, Gabby moved to London in 2010 and worked in a management consulting firm before joining Calibre One in 2019. In her free time she enjoys, cooking, reading and travelling and loves spending time with her family and friends.

e: gabby.williams@calibreone.com
t: +44 (0)20 7070 3003

Cera Peterson

Cera is an Executive Assistant, based in our Bay Area Office. She is a Bay Area native, born and raised, and currently resides in Sacramento.

Cera attended San Diego State University, earning her Bachelor’s degree in Communications and has been working, networking, and building a name for herself ever since. She has built and sustained strong professional and personal relationships which has catapulted her in her professional endeavors.

Prior to Calibre One, Cera has a colorful background working in Venture Capital, Start Up, and Recruiting industries. Cera takes pride in her company and career and has mastered the art of being the whole package when it comes to what she brings to the table.

Outside of work, you will find Cera enjoying valuable time spent with family and friends and living a healthy lifestyle.

e: cera.peterson@calibreone.com
t: (415) 445-4040

Katie Nelson

Katie has over 15 years of experience providing accounting, payroll and HR services to a wide range of Consulting Services, SaaS, and Not-For-Prot. Katie works in the capacity of a Controller at Calibre One. In addition, Katie assists with various consulting tools to help efficiency, revenue recognition, guidance and financial reporting. Katie values client interaction providing valuable service with tangible results.

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

Tej Karena

"I am a Commerce graduate and a qualified Inter-CA (Chartered Accountant) from India. I have been working in the field of accounting and auditing for over the past 9 years. My past work experience includes providing statutory audit and taxation services in India and accounting and bookkeeping services to various KPO operational in US and UK. In my spare time, I enjoy watching movies and videos related to historic events."

e: accounting@calibreone.com
t: +1 (408) 201-9660

Our Track Record Speaks For Itself