Mr. Mahaffy is a founder of Clovis and has served as its President and Chief Executive Officer and a member of its board of directors since its inception. Previously, Mr. Mahaffy served in the same role at Pharmion Corporation, which he founded in 2000 and sold to Celgene Corporation in 2008. From 1992 through 1998, Mr. Mahaffy was President and Chief Executive Officer of NeXagen, Inc. and its successor, NeXstar Pharmaceuticals, Inc., a biopharmaceutical company. Prior to that, Mr. Mahaffy was a Vice President at E.M. Warburg Pincus and Co. Mr. Mahaffy also serves on the boards of directors of Orexigen Therapeutics, Inc., and Flexion Therapeutics, Inc. He is also a trustee of Lewis and Clark College. Mr. Mahaffy has a B.A. in international affairs from Lewis and Clark College and a M.A. in international affairs from Columbia University.