Graham Cooper is the Chief Financial Officer and Chief Operating Officer of Assembly Biosciences, Inc. Prior to joining Assembly, he was Chief Financial Officer of Receptos, Inc., from 2013 until its sale in 2015 to Celgene for $7.8 billion. During 2012, Mr. Cooper was the Chief Financial Officer of Geron Corporation, a biopharmaceutical company focused on cancer therapies. From 2006 until 2011, Mr. Cooper served as Chief Financial Officer of Orexigen Therapeutics, Inc., a biotechnology company focused on obesity therapies. From 1999 to 2006, Mr. Cooper held positions of increasing responsibility including Director, Health Care Investment Banking, at Deutsche Bank Securities, where he was responsible for executing and managing a wide variety of financing and merger and acquisition transactions in the life sciences field. From 1992 to 1995, he worked as an accountant at Deloitte & Touche, where he earned his C.P.A. Mr. Cooper holds a B.A. in Economics from the University of California at Berkeley and an M.B.A. from the Stanford Graduate School of Business.