Board of Directors



Chief Executive Officer


Dr. Josey was appointed Chief Executive Officer and member of the Board of Directors of Peloton Therapeutics in August 2013. He joined the company in August 2011 as President and Chief Scientific Officer. From 1998 to 2011, Dr. Josey worked at Array BioPharma Inc., a company he helped to build from the earliest stages, starting as a member of the founding management team. As Vice President of Discovery Chemistry at Array, Dr. Josey was responsible for medicinal, process, and analytical chemistry; quality control; pharmaceutics; and participated on multiple clinical development teams. His previous experience includes working as a medicinal chemist at Amgen and the Glaxo Research Institute. Dr. Josey received a B.S. in chemistry from Colorado State University, a Ph.D. in organic chemistry from The University of Texas at Austin, and an M.B.A. from the University of Colorado. He was a Damon Runyon-Walter Winchell postdoctoral fellow at the California Institute of Technology, and is currently an adjunct faculty member of the Department of Biochemistry at UT Southwestern.