Patrick J. Mahaffy is one of the co-founders of Clovis Oncology and has served as its President and Chief Executive Officer and a member of the board of directors since its inception. Previously, Mr. Mahaffy served as President and Chief Executive Officer and as a member of the board of directors at Pharmion Corporation, which he founded in 2000 and was 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 the private equity firm E.M. Warburg Pincus and Co. Mr. Mahaffy also serves on the board of directors of Flexion Therapeutics, Inc. (NASDAQ: FLXN). He is also a trustee of Lewis & Clark College.
Mr. Mahaffy has a BA in international affairs from Lewis & Clark College and an MA in international affairs from Columbia University.