Jonathan Leff
Managing Director
Healthcare
New York
Jonathan S. Leff joined Warburg Pincus in 1996. He is a member of the firm’s healthcare team and leads the firm’s investment efforts in pharmaceuticals and biotechnology. Prior to joining Warburg Pincus, he was a consultant at Oliver, Wyman & Co. Mr. Leff received an A.B. in government from Harvard University and an M.B.A. from the Stanford University Graduate School of Business. Mr. Leff is a director of Allos Therapeutics, Archimedes Pharma, InterMune, Protox Therapeutics, ReSearch Pharmaceutical Services, Rib-X Pharmaceuticals and Talon Therapeutics. In addition, Mr. Leff serves on the boards of several industry groups and not-for-profit organizations, including the Biotechnology Industry Organization, the National Venture Capital Association, Columbia University Medical Center and the Spinal Muscular Atrophy Foundation.
