Jonathan Leff

Mr. Leff is a Partner on the Therapeutics team at Deerfield Management since 2013 and Chairman of the Deerfield Institute. He focuses on venture capital and structured investments in biotechnology and pharmaceuticals. Prior to Deerfield, for more than sixteen years, Mr. Leff was with Warburg Pincus, where he led the firm’s investment efforts in biotechnology and pharmaceuticals. He is a member of the Boards of several private healthcare companies as well as several not-for-profit Boards, including the Spinal Muscular Atrophy Foundation, Friends of Cancer Research, Reagan-Udall Foundation for the Food and Drug Administration and the Columbia University Medical Center Board of Advisors. Mr. Leff has also been active in public policy discussions related to healthcare and medical innovation. He previously served as a member of the Executive Committee of the Board of the National Venture Capital Association (NVCA), where he led NVCA’s life sciences industry efforts as Chair of NVCA’s Medical Innovation and Competitiveness Coalition (NVCA-MedIC), and also previously served on the Board of the Biotechnology Innovation Organization. Mr. Leff holds an A.B. from Harvard University and an M.B.A. from Stanford University’s Graduate School of Business.