Jim Ziegler
Executive Vice President, Chief Commercial Officer
Jim Ziegler has served as our Executive Vice President, Chief Commercial Officer since September 2024.
Background
Prior to joining Geron, Mr. Ziegler served as the Executive Vice President, Commercial for Iovance Biotherapeutics, Inc., with global responsibilities for the company’s novel autologous cell therapy program and led a successful U.S. commercial launch of Amtagvi™ for patients with previously treated advanced melanoma. He has more than 25 years of experience in the biopharmaceutical industry, including leading and supporting more than 10 product launches.
Previously, he served in numerous commercial roles at Gilead Sciences, Inc., most recently as Vice President of the Cardiopulmonary and Inflammation Business Unit. He also led the U.S. launch team for Gilead’s first approved oncology product and supported the launch of several multibillion-dollar antiviral products for the human immunodeficiency virus (HIV) and hepatitis (HCV and HBV) franchises. His earlier experience included commercial roles of increasing responsibility at Biogen, Amgen and Pfizer. Prior to the biopharmaceutical industry, he served as an Armor Officer in the U.S. Army. Mr. Ziegler received a B.S. from the United States Military Academy at West Point and an M.B.A. from the University of Chicago.