Matthew Fust was most recently Executive Vice President and Chief Financial Officer of Onyx Pharmaceuticals, Inc., an oncology-focused biopharmaceutical company, which he joined in January 2009. From May 2003 to December 2008, Mr. Fust served as Chief Financial Officer of Jazz Pharmaceuticals, Inc. From 2002 to 2003, Mr. Fust served as Chief Financial Officer of Perlegen Sciences, a biopharmaceutical company. Previously, he was Senior Vice President and Chief Financial Officer of ALZA Corporation, where he was an executive from 1996 until 2002. Mr. Fust serves as a director of Sunesis Pharmaceuticals and Ultragenyx Pharmaceutical, both of which are publicly held companies. Mr. Fust also serves as a director of Atara Biotherapeutics, Inc., a private company. Based on Mr. Fust’s depth of experience in the biotechnology industry, ranging from executive officer to director roles, the board of directors believes Mr. Fust has the appropriate set of skills to serve as a member of the board of directors.