Dean J. Mitchell
President & Chief Executive Officer

Mr. Mitchell is the President & Chief Executive Officer at Lux Biosciences, Inc. Mr. Mitchell is the former President, Chief Executive Officer and Director of Alpharma Inc., a public human and animal specialty pharmaceutical company, which was acquired by King Pharmaceuticals in December 2008. Prior to Alpharma, Mr. Mitchell was President and CEO of Guilford Pharmaceuticals, a publicly traded specialty pharmaceutical company that was acquired by MGI Pharmaceuticals in 2005. Before Guilford, Mr. Mitchell was at Bristol-Myers Squibb, where he was President, International and President, US Primary Care. Prior to BMS, Mr. Mitchell spent 14 years at GlaxoSmithKline, most recently as Senior Vice President, Clinical Development and Product Strategy. Mr. Mitchell earned his B.Sc. in Applied Biology from Coventry University in the United Kingdom and his M.B.A. from City University Business School, London, UK. He is also a non-executive Board member of ISTA Pharmaceutics, Intrexon and Talecris Biotherapeutics.