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Board of Directors

Keith R. Leonard Jr., MBA

Keith R. Leonard Jr., MBA

Chairman

Keith R. Leonard Jr. has served as the Chairman of our board of directors since January 2016. Mr. Leonard was co-founder, President and Chief Executive Officer of Kythera from 2005 until its acquisition by Allergan in October 2015. Prior to that, Mr. Leonard held roles of increasing responsibility at Amgen Inc., a public biotechnology company, including as Senior Vice President and General Manager of Amgen Europe. Mr. Leonard currently serves on the board of directors of Sanifit Laboratories S.L., a biopharmaceutical company, and Intuitive Surgical, Inc., a public medical device company, and is the Chief Executive Officer and Chairman of the board of directors for Unity Biotechnology, a biotechnology company. He previously served on the boards of Affymax, Inc., a biotechnology company, Anacor Pharmaceuticals, Inc., a biopharmaceutical company, and ARYx Therapeutics, Inc., a biopharmaceutical company. Mr. Leonard was formerly an active duty officer in the United States Navy. Mr. Leonard received a B.S. in Engineering from the University of California, Los Angeles, a B.A. in History from the University of Maryland, an M.S. in Engineering from the University of California, Berkeley, and an M.B.A. from the Anderson School of Management at the University of California, Los Angeles.