William R. Rohn

Overview

William R. Rohn has served on our Board of Directors since December 2004. From April 2005 until March 2006, Mr. Rohn served as interim Chief Executive Officer and Vice Chairman of the Board of Raven Biotechnologies, a private biotechnology company for which he currently serves as a director. In January 2005, Mr. Rohn retired from Biogen Idec Inc., where he had served as Chief Operating Officer since the merger of IDEC Pharmaceuticals Inc. and Biogen, Inc. in November 2003. Mr. Rohn joined IDEC in August 1993 as Senior Vice President, Commercial and Corporate Development, was appointed Senior Vice President, Commercial Operations in April 1996 and was promoted to Chief Operating Officer in May 1998 and President in January 2002. Prior to joining IDEC, Mr. Rohn was employed by Adria Laboratories from 1984 until 1993, most recently as Senior Vice President of Sales and Marketing. Prior to Adria, Mr. Rohn held marketing and sales management positions at Abbott Laboratories, Warren-Teed Pharmaceuticals, Miles Laboratories and Mead Johnson Laboratories. Mr. Rohn serves on the Board of Directors of Cerus Corporation, a publicly-held biotechnology company, and Pharmacyclics, Inc. and Elan Corporation plc, publicly-held pharmaceutical companies. Mr. Rohn received a B.A. in Marketing from Michigan State University.