Dr. Stelios Papadopoulos is chairman of the board of directors of Biogen, Inc., Exelixis, Inc. and Regulus Therapeutics, Inc. He is a co-founder of Exelixis, Inc. as well as co-founder and former chairman of Anadys Pharmaceuticals, Inc. (acquired by Hoffman-La Roche in 2011) and Cellzome, Inc. (acquired by GlaxoSmithKline in 2012. Dr. Papadopoulos retired after a 30-year Wall Street career working with biotech and pharma companies as an analyst and banker at Donaldson, Lufkin & Jenrette, Drexel Burnham Lambert, PaineWebber and most recently Cowen & Co., from which he retired in 2006. Before coming to Wall Street, Dr. Papadopoulos was on the faculty of the Department of Cell Biology at New York University School of Medicine. He maintains his affiliation with NYU as an adjunct associate professor of cell biology. Dr. Papadopoulos holds an M.S. in physics, a Ph.D. in biophysics and an M.B.A. in finance, all from New York University.

Dr. Stelios Papadopoulos is chairman of the board of directors of Biogen, Inc., Exelixis, Inc. and Regulus Therapeutics, Inc. He is a co-founder of Exelixis, Inc. as well as co-founder and former chairman of Anadys Pharmaceuticals, Inc. (acquired by Hoffman-La Roche in 2011) and Cellzome, Inc. (acquired by GlaxoSmithKline in 2012. Dr. Papadopoulos retired after a 30-year Wall Street career working with biotech and pharma companies as an analyst and banker at Donaldson, Lufkin & Jenrette, Drexel Burnham Lambert, PaineWebber and most recently Cowen & Co., from which he retired in 2006. Before coming to Wall Street, Dr. Papadopoulos was on the faculty of the Department of Cell Biology at New York University School of Medicine. He maintains his affiliation with NYU as an adjunct associate professor of cell biology. Dr. Papadopoulos holds an M.S. in physics, a Ph.D. in biophysics and an M.B.A. in finance, all from New York University.