John D. Diekman, PhD
Founder and Managing Partner

Dr. Diekman is a founder and Managing Partner of 5AM Ventures, an early stage life science venture capital fund. He is also Vice-Chairman of Singapore’s Life Science Fund, Bio*One Capital.  Dr. Diekman is a director and former CEO and Chairman of Affymetrix, Inc.  Dr. Diekman currently serves as Board Chairman of Ambrx and Phenomix as well as on the Board of Antipodean, Ingenuity Systems, Marcadia, PhaseRx and Wildcat Discovery. He is also a trustee of The California Institute of Technology and is the former chairman of the board of The Scripps Research Institute. Dr. Diekman holds a B.A. in Chemistry from Princeton University and a Ph.D. in Chemistry from Stanford University. Dr. Diekman is based in the Menlo Park, CA office.