Richard B. Brewer

Mr. Brewer has served as our Chairman of the Board of Directors since June 2004 and has served as one of our directors since February 2004. He is the founding partner of Crest Asset Management, a management advisory and investment firm, a position he has held since January 2003. Since 2009, Mr. Brewer has served as the Chairman of the Board of Directors of Arca Biopharma, Inc., a biopharmaceutical company focused on genetically-targeted therapies for heart failure, and served as its President and CEO from 2006 to 2009. From September 1998 until February 2004, Mr. Brewer served as Chief Executive Officer and President of Scios Inc., a biopharmaceutical company. From 1996 until 1998, Mr. Brewer served as the Chief Operating Officer at Heartport, a cardiovascular device company. From 1984 until 1995, Mr. Brewer was employed by Genentech, Inc., a biotechnology company, and served as its Senior Vice President of Sales and Marketing, and Senior Vice President of Genentech Europe and Canada. Mr. Brewer’s extensive biotechnology industry experience, both as an outside advisor and in various operating and management roles, including as the chief executive officer of two biotechnology companies, as well as his background and experience in investment management and corporate finance both in the U.S. and the EU, give him the appropriate qualifications to serve as a member and chairman of our Board. Mr. Brewer serves as a director of SRI International, an independent, non-profit research group. He is an advisory board member at the Kellogg Graduate School of Management Center for Biotechnology at Northwestern University. Mr. Brewer holds a B.S. from Virginia Polytechnic Institute and an M.B.A. from Northwestern University.