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Board of Directors

William C. Weldon

Bill Weldon serves as Chairman of HeartFlow. He spent more than four decades at Johnson & Johnson, where he began his career as a sales representative, moved to roles of increasing responsibility across business segments, and ultimately led the company through significant expansion and growth as chairman and CEO. In addition to his board position at HeartFlow, he currently serves on the boards of directors of J.P. Morgan Chase & Co., CVS Health, Chubb Corporation and Exxon Mobile Corporation; and the board of trustees of Quinnipiac University.

Tom Hawes, M.D.

Thomas (Tom) Hawes is BCBSVP Managing Director at Sandbox Industries and serves on the Sandbox Management Committee. Sandbox invests, builds, grows, and ultimately exits investments in companies from the healthcare, agriculture, and insurance sectors. Sandbox’s capital comes largely from corporate partners from those sectors, including 29 of the 36 BlueCross BlueShield Plans. Tom is the Board Chairman for Patientco, serves on the Board of Directors of HeartFlow, BehaveCare, ID Experts, Oncology Analytics, ContractPal, and AbleTo and is a board observer of Phreesia, Lumiata, and Wellspring Healthcare. Tom served on the Boards of Nexidia and InVivoLink before their acquisitions. Before joining Sandbox, Tom matched at Yale School of Medicine for residency and completed his first year of medical training at Greenwich Hospital. During his medical training, he worked on clinical studies at the ISK Institute for Orthopaedics and Sports Medicine and on outcomes research at the National Cancer Institute and NYMC’s Cardiothoracic Surgery Department. Tom is on the National Advisory Board of the Desmoid Tumor Research Foundation and the Management Committee of the Hawes Family Foundation. Tom holds a BA from Brigham Young University, an M.D. from New York Medical College and an MBA from Harvard Business School. He is also a Kauffman Fellow.

Jeffrey C. Lightcap

Jeffrey C. Lightcap serves as a Senior Managing Director of HealthCor Partners Management, L.P., a leading growth-oriented private equity fund which invests across all sectors of healthcare. HealthCor Partners is affiliated with HealthCor Management, a successful, research driven, heathcare-focused hedge fund. Prior to joining HealthCor Partners in late 2006, Mr. Lightcap was a Senior Managing Director at JLL Partners, a leading middle-market private equity fund, from 1997 to 2006. Prior to JLL Partners, Mr. Lightcap was a Managing Director at Merrill Lynch & Co., Inc., in the mergers and acquisitions group. Prior to joining Merrill Lynch, Mr. Lightcap was a Senior Vice President in the mergers and acquisitions group at Kidder, Peabody & Co. and briefly at Salomon Brothers. Mr. Lightcap received a B.E. in Mechanical Engineering from the State University of New York in 1981 and an M.B.A. from the University of Chicago in 1985. Mr. Lightcap serves on the board of directors of a number of companies, including IASIS Healthcare Holdings Inc., Careview Communications, Inc. and Corindus, Inc.

Lonnie M. Smith

Lonnie Smith joined Intuitive Surgical as President and CEO in June 1997, and currently serves as Chairman of the Board of Directors. During his tenure as CEO, Intuitive Surgical grew from a start-up with no revenue to over one billion dollars in revenue and approximately 1,300 employees. Prior to joining Intuitive Surgical, Mr. Smith was Senior Executive Vice President of Hillenbrand Industries. Mr. Smith joined Hillenbrand in 1978; during his tenure, he was a member of the executive committee, the office of the president and the board of directors. Mr. Smith has also held positions at The Boston Consulting Group and IBM. Mr. Smith receives his B.S.E.E. from Utah State University and an M.B.A. from Harvard Business School.

John H. Stevens, M.D.

Dr. Stevens is the President and CEO of HeartFlow Inc. He has had a distinguished career as an entrepreneur and health care professional. He was the Co-Founder and CTO of Heartport, the Co-Founder and Executive Chairman of Amp Resources, Co-Founder and Chairman and CEO of Sundrop Fuels. He has had extensive experience founding, investing and leading technology focused companies. He was an Assistant Professor of Cardiovascular Surgery at Stanford University. He received his B.S. from the University of Utah and M.D. from the Stanford University School of Medicine.

Casey Tansey

Casey Tansey joined USVP as a general partner in April 2005. A veteran of the medical device industry, Casey brings over 25 years of entrepreneurial, early-stage medical device and seasoned operating experience to USVP. During his tenure as CEO and President of Epicor Medical from 2001 to 2004, Casey, along with a dedicated team, pioneered a minimally-invasive treatment for atrial fibrillation and transformed the company into a recognized market leader. He led Epicor’s acquisition by St. Jude Medical at a valuation of more than $200 million. Prior to Epicor, Casey was CEO and President of Heartport, a public company that helped pioneer minimally-invasive cardiac surgery which is now a Johnson & Johnson company. Before that, he was with Baxter Edward’s Cardiovascular Division for nearly ten years, holding various sales and marketing positions. During his tenure at Baxter, Casey was involved in launching innovative heart valve products that have grown to be the market leaders.

Charles A. Taylor, Ph.D.

Dr. Taylor is a co-founder, Chief Technology Officer (CTO), and member of the Board of Directors of HeartFlow Inc. Previously, he was an Associate Professor in the Department of Bioengineering and Surgery at Stanford University with courtesy faculty appointments in the Departments of Mechanical Engineering and Radiology. He is internationally recognized for the development of computer modeling and imaging techniques for cardiovascular disease research, device design and treatment planning. He received his B.S. degree in Mechanical Engineering, M.S. degree in Mechanical Engineering and M.S. degree in Mathematics from Rensselaer Polytechnic Institute and a Ph.D. in Mechanical Engineering from Stanford University.

Barry Uphoff

Barry Uphoff is a Partner with Capricorn Investment Group. At Capricorn, Barry leads the investment team with a particular focus on healthcare and wellness investing. Prior to joining Capricorn, Barry was a senior investment professional at Silver Point Capital, a Greenwich, Connecticut-based hedge fund with approximately $7 billion in total assets under management. Barry earned his BA from the Johns Hopkins University with highest honors and Phi Beta Kappa distinction and read for a Diploma in Law and an MSc in Medicine at Oxford University under the auspices of a Rhodes Scholarship. He received an MBA from the University of Chicago, Graduate School of Business with highest honors.

Kent Walker

Kent Walker leads Google’s global legal team and advises its board and management on legal issues and corporate governance matters. Prior to joining Google, Walker held senior legal positions at a number of leading technology companies, including deputy general counsel at eBay Inc., associate general counsel at Netscape and America Online, and senior counsel for AirTouch Communications. Walker started his career as an assistant U.S. attorney with the United States Department of Justice, where he specialized in prosecution of technology crimes and advised the attorney general on management and technology issues.

Phil Young

Phil Young is a Venture Partner with US Venture Partners. Prior to joining USVP in 1990, Phil spent four years with Concord Partners, Dillon Read’s venture capital operation in Palo Alto. With a specialty in the medical device industry, Phil has watched the evolution of new methodologies, such as the emergence of minimally-invasive treatments, into increasingly diverse and pervasive applications. Before moving into venture capital he was President and CEO of Oximetrix, a manufacturer of critical care instruments and disposables, where he spent eight years growing the privately held venture-backed company from $1 million in revenues to nearly $50 million. Oximetrix was acquired by Abbott Laboratories and became Abbott Critical Care.

Christopher K. Zarins, M.D.

Dr. Zarins is a co-founder, Senior Vice President of Medical Affairs, and member of the Board of Directors of HeartFlow Inc. He served as the Chief of Vascular Surgery at the University of Chicago from 1978-1993. In 1993 he joined Stanford University as the Walter Clifford and Elsa Rooney Chidester Professor in Surgery and served as the Chief of Vascular Surgery at the Stanford University Medical Center from 1993-2005. Dr. Zarins served as President of the Society of Vascular Surgery in 1999. He received his B.A. from Lehigh University and M.D. from Johns Hopkins University School of Medicine.