Jeffrey J. Hessekiel, J.D.

Executive Vice President and General Counsel

Jeffrey J. Hessekiel, J.D., has served as Executive Vice President and General Counsel since February 2014. Prior to joining Exelixis, Mr. Hessekiel was Senior Counsel at Arnold & Porter 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. Previously, from 2002 to 2012, he held key legal and compliance roles at Gilead Sciences, Inc., rising to the positions of Vice President, Commercial Legal Affairs and Litigation, and then Chief Compliance and Quality Officer. Prior to joining Gilead, Mr. Hessekiel trained in the litigation and corporate practice groups at a number of Silicon Valley law firms. He also worked for several international non-governmental organizations. Mr. Hessekiel received his J.D. from George Washington University’s School of Law, and his B.A. from Duke University.