Gregory B. Brown, M.D. has served as a member of the Company’s board of directors since March 2007. Dr. Brown is currently the Chief Executive Officer and member of the Board of Directors of Memgen, LLC, a private clinical-stage biotechnology company. He is a co-founder of HealthCare Royalty Partners, or HCRx, and is a member of that firm’s Senior Advisor Board. Educated as a transplantation immunologist and trained as a thoracic and vascular surgeon, Dr. Brown practiced thoracic and vascular surgery in a community setting where he also founded and led a health maintenance organization. Before co-founding HCR Partners, Dr. Brown currently serves on the board of Lisata Therapeutics , Inc. (Nasdaq:LSTA) and previously served on the board of Faron Pharmaceuticals, Oy (LON:FARN) and Cambrex Corporation (formerly NYSE:CBM).