Stephen Dilly, M.B.B.S., Ph.D.

Stephen G. Dilly, M.B.B.S., Ph.D., has served as a member of our Board of Directors since March 2010. From May 2014 he has served as CEO of Aimmune Therapeutics. Prior to that, from December 2011 to December 2012 Dr. Dilly was CEO of PhotoThera, Inc., a medical device company with a product in Phase III clinical trials for the treatment of ischemic stroke. From 2006 to 2011, Dr. Dilly served as President and Chief Executive Officer and a member of the Board of Directors of APT Pharmaceuticals, Inc. From 2003 to 2006, he served as Chief Medical Officer and Senior Vice President of Development of Chiron BioPharma, a biotechnology company which was later acquired by Novartis International AG. From 1998 to 2003, he held various management positions at Genentech Inc., including Vice President of Development Sciences from 2002 to 2003. From 1988 to 1998, Dr. Dilly held various management positions in drug development with SmithKline Beecham in the U.K. During his career, Dr. Dilly has been closely associated with the development and launch of marketed drugs for many therapeutic areas, including Kytril, Paxil, Kredex, Requip, TNKase, Xolair, Avastin, Raptiva, Tarceva, Lucentis and Cubicin. Dr. Dilly currently serves as a member of the Advisory Board of Physic Ventures and the National Board of Advisors of the UC Davis Health System. In 1982, Dr. Dilly earned his M.B.B.S., the equivalent of an M.D. in the U.S., from the University of London in the U.K. and received his Ph.D. in Cardiac Physiology from University of London in 1988.