William Doyle has served as our Executive Chairman since 2016, as Chairman of the Board since 2009 and as a member of our Board of Directors since 2004. Mr. Doyle has been the managing director of WFD Ventures LLC, a private venture capital firm he co-founded, since 2002. Prior to 2002, Mr. Doyle was a member of Johnson & Johnson’s Medical Devices and Diagnostics Group Operating Committee and was Vice President, Licensing and Acquisitions. While at Johnson & Johnson, Mr. Doyle was also chairman of the Medical Devices Research and Development Council, and Worldwide president of Biosense-Webster, Inc. and a member of the board of directors of Cordis Corporation and Johnson & Johnson Development Corporation, Johnson & Johnson’s venture capital subsidiary. Earlier in his career, Mr. Doyle was a management consultant in the healthcare group of McKinsey & Company. Mr. Doyle is also a member of the Governing Board of the Pershing Square Sohn Cancer Research Alliance.

Mr. Doyle holds an S.B. in materials science and engineering from the Massachusetts Institute of Technology and an M.B.A. from Harvard Business School. Mr. Doyle serves on Harvard Business School’s Board of Dean’s Advisors and MIT’s Institute of Medical Engineering & Science Visiting Committee.

Mr. Doyle has been a director of Elanco Animal Health, Inc. since 2020 and director of Minerva Neurosciences, Inc. since 2017. Mr. Doyle previously served as a director of Optinose, Inc., a commercial-stage specialty pharmaceuticals company, from 2004 to 2020.