John Josey
Chairman of the Board at Circle Pharma
John Josey, Ph.D., served as the President, Chief Executive Officer, and member of the Board of Directors at Peloton Therapeutics from 2013 until its acquisition by Merck in 2019. From 2011 to 2013, he was President and Chief Scientific Officer at Peloton, and from 1998 to 2011, Vice President of Discovery Chemistry at Array Pharma.