A member of our board of directors since May 2008, Mr. Mast has previous experience as a chief financial officer of various companies in the healthcare industry and in providing accounting, auditing and consulting services while at Deloitte & Touche, LLP. Mr. Mast is a co-founder of and has served as Executive Vice President, Chief Financial Officer with Clovis Oncology, Inc. since May 2009. From July 2002 to May 2008, Mr. Mast served as Executive Vice President and Chief Financial Officer of Pharmion Corporation, until its acquisition by Celgene Corporation. From 2000 to 2002, after Elan Pharma International Ltd. acquired Dura Pharmaceuticals, Inc., Mr. Mast served as Chief Financial Officer for the Global Biopharmaceuticals business unit of Elan. From 1997 to 2000, Mr. Mast served as Vice President of Finance for Dura Pharmaceuticals. From 1984 to 1997, Mr. Mast held positions of increasing responsibility at Deloitte & Touche, LLP, serving most recently as Partner, where he provided accounting, auditing and business consulting services to companies in various industries, including the healthcare, pharmaceutical, biotech and manufacturing industries. Mr. Mast also serves on the board of directors of Receptos, Inc. Mr. Mast received a degree in Business Administration from California State University, Bakersfield. A member of our board of directors since May 2008, Mr. Mast has previous experience as a chief financial officer of various companies in the healthcare industry and in providing accounting, auditing and consulting services while at Deloitte & Touche, LLP. Mr. Mast is a co-founder of and has served as Executive Vice President, Chief Financial Officer with Clovis Oncology, Inc. since May 2009. From July 2002 to May 2008, Mr. Mast served as Executive Vice President and Chief Financial Officer of Pharmion Corporation, until its acquisition by Celgene Corporation. From 2000 to 2002, after Elan Pharma International Ltd. acquired Dura Pharmaceuticals, Inc., Mr. Mast served as Chief Financial Officer for the Global Biopharmaceuticals business unit of Elan. From 1997 to 2000, Mr. Mast served as Vice President of Finance for Dura Pharmaceuticals. From 1984 to 1997, Mr. Mast held positions of increasing responsibility at Deloitte & Touche, LLP, serving most recently as Partner, where he provided accounting, auditing and business consulting services to companies in various industries, including the healthcare, pharmaceutical, biotech and manufacturing industries. Mr. Mast also serves on the board of directors of Receptos, Inc. Mr. Mast received a degree in Business Administration from California State University, Bakersfield.

Clinical Sciences