Alexander J. Denner, Ph.D., has been a director since February 2016 and chairman since June 2018. Dr. Denner is the founding partner and the chief investment officer of Sarissa Capital Management LP, a registered investment advisor, which he founded in 2012. Sarissa Capital focuses on improving the strategies of companies to better enhance shareholder value. From 2006 to 2011, Dr. Denner served as a senior managing director at Icahn Capital, an entity through which Carl Icahn conducts his investment activities. Prior to that, he served as a portfolio manager at Viking Global Investors, a private investment fund, and Morgan Stanley Investment Management, a global asset management firm. Dr. Denner currently serves as a director of Biogen Inc. Dr. Denner also previously served as a director of ARIAD Pharmaceuticals, Inc., where he also served as chairman, Amylin Pharmaceuticals, Inc., Bioverativ Inc., Enzon Pharmaceuticals, Inc., ImClone Systems Incorporated, where he also served as chairman of the executive committee and VIVUS, Inc.
Dr. Denner has a strong background overseeing the operations, capital allocation and research and development of healthcare companies and evaluating corporate governance matters. In addition, Dr. Denner has extensive experience as an investor, particularly with respect to healthcare companies and has broad healthcare-industry knowledge. Dr. Denner received his S.B. degree from the Massachusetts Institute of Technology and his M.S., M.Phil. and Ph.D. degrees from Yale University.