Principia Biopharma Inc. announced that Christopher Y. Chai has joined the company as Chief Financial Officer and Dr. Steven G. Gourlay has joined as Chief Medical Officer. Most recently Mr. Chai served as Senior Vice President and Chief Financial Officer at MAP Pharmaceuticals Inc. From 1998 to 2006, Mr. Chai was employed by CV Therapeutics Inc. Prior to joining Principia, from 2005 to 2013 Dr. Gourlay, MBBS (M.D.), Ph.D., FRACP, M.B.A., was a partner at GBS Venture Partners, served as both investment partner and consultant CMO for portfolio companies. From 1997 to 2004, he held positions of increasing responsibility at Genentech Inc. in the areas of epidemiology and early clinical development.