Jeffrey J. Hessekiel

EVP, General Counsel & Secretary at Exelixis

Jeffrey J. Hessekiel, J.D., has served as Executive Vice President and General Counsel since February 2014 and as its Secretary from October 2014 to September 2017. From 2012 to 2014, he held the position of Senior Counsel at Arnold & Porter Kaye Scholer LLP, where he advised emerging growth and public companies, primarily in the life sciences sector, on complex legal issues connected with strategic transactions, healthcare compliance programs and investigations, and regulatory matters. Prior to working with Arnold & Porter, from 2002 to 2012, he held positions of increasing responsibility at Gilead Sciences, Inc., most recently as Chief Compliance & Quality Officer where he was responsible for the creation and management of Gilead’s Corporate Compliance & Quality department. From 1998 to 2002, Mr. Hessekiel held the position of Associate, working on both litigation and corporate matters for Wilson Sonsini Goodrich and Rosati PC. Mr. Hessekiel also worked as an Associate focusing on litigation matters for Heller Ehrman LLP from 1996 to 1998. Prior to joining Heller Ehrman LLP, Mr. Hessekiel also worked for several international non-governmental organizations. Mr. Hessekiel received his J.D. from The George Washington University Law School and is admitted to practice in California. Mr. Hessekiel received a B.A. in Political Science from Duke University.


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  • EVP, General Counsel & Secretary

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  • EVP, General Counsel

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