diaDexus, Inc. effective immediately. Dr. Curnutte will serve on the compensation committee. The company also announced that Adeoye (Oye) Olukotun, M.D., does not plan to stand for reelection at the 2015 Annual Meeting of Stockholders.

John T. Curnutte, M.D., Ph.D. has served as executive vice president, research and development since 2011 at Portola Pharmaceuticals, a biopharmaceutical company developing product candidates for thrombosis and other hematologic diseases.