Scientific Advisory Board Company Overview Leadership Board of Directors Scientific Advisory Board Steven L. McKnight, Ph.D. Michael S. Brown, M.D. David V. Goeddel, Ph.D. David H. Johnson, M.D. William G. Kaelin, Jr., M.D. Larry Lasky, Ph.D. Duojia Pan, Ph.D. William R. Sellers, M.D. George Trainor, Ph.D. STEVEN L. MCKNIGHT, PH.D. Scientific Founder and Chairman of the SAB MICHAEL S. BROWN, M.D. DAVID V. GOEDDEL, PH.D. DAVID H. JOHNSON, M.D. WILLIAM G. KAELIN, JR., M.D. LARRY LASKY, PH.D. DUOJIA PAN, PH.D. WILLIAM R. SELLERS, M.D. GEORGE TRAINOR, PH.D.