Biography

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Stelios Papadopoulos, Ph.D.
Chairman of the Board, Exelixis, Inc.

Stelios Papadopoulos, Ph.D., a co-founder of Exelixis, has been a director since December 1994 and the Chairman of the Board since January 1998. Dr. Papadopoulos retired as Vice Chairman of Cowen & Co., LLC in August 2006 after six years as an investment banker with the firm, where he focused on the biotechnology and pharmaceutical sectors. Prior to joining Cowen, he spent 13 years as an investment banker at PaineWebber, Incorporated, where he was most recently Chairman of PaineWebber Development Corp., a PaineWebber subsidiary focusing on biotechnology. Dr. Papadopoulos joined PaineWebber in April 1987 from Drexel Burnham Lambert, where he was a Vice President in the Equity Research Department covering the biotechnology industry. Prior to Drexel, he was a biotechnology analyst at Donaldson, Lufkin & Jenrette.

Before coming to Wall Street in 1985, Dr. Papadopoulos was on the faculty of the Department of Cell Biology at New York University Medical Center. He continues his affiliation with NYU Medical Center as an Adjunct Associate Professor of Cell Biology. Dr. Papadopoulos is a co-founder of Anadys Pharmaceuticals, Inc., a publicly-held drug discovery and development company acquired by Hoffmann-La Roche Inc. in November 2011. Dr. Papadopoulos served as a member of the board of directors of Anadys Pharmaceuticals from 2000 to 2011 and as its chairman in 2011, prior to its acquisition.

Dr. Papadopoulos has also served as a member of the board of directors of three other publicly-held companies: BG Medicine, Inc., a diagnostics company focused on the development and commercialization of cardiovascular diagnostic tests, since 2003; Biogen, Inc., a biopharmaceutical company focused on the treatment of serious diseases, since 2008 and as its chairman since 2014; and Regulus Therapeutics Inc., a biopharmaceutical company focused on the development of medicines targeting microRNAs, since 2008, and as its chairman since 2013. Dr. Papadopoulos was also co-founder and member of the board of directors of Cellzome Inc., a privately-held drug discovery company acquired by GlaxoSmithKline in May 2012.

In the not-for-profit sector, Dr. Papadopoulos is a co-founder and Chairman of Fondation Santé, a member of the board of visitors of Duke Medicine, and a member of the Global Advisory Board of the Duke Institute for Health Innovation. Dr. Papadopoulos holds a Ph.D. in Biophysics and an M.B.A. in Finance, both from New York University.