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Robert J. Spiegel, M.D., FACP

Compensation Committee (Chair)

Robert J. Spiegel, M.D., FACP has served as a director of Geron since May 2010.


Dr. Spiegel currently serves as an Associate Professor at the Weill Cornell Medical School, a Senior Advisor to Warburg Pincus, a private equity firm, and an Advisor to the Israel Biotech Fund, a venture investment fund. He is also a member of the board of directors of Cyclacel Pharmaceuticals, Inc., a biopharmaceutical company developing targeted medicines for cancer and other proliferative diseases, since September 2018, Ayala Pharmaceuticals, a clinical-stage oncology company, since December 2017, and RenovoRx, a clinical-stage oncology company, since April 2023. In the last five years, he has previously served as a director for PDS Biotechnology Corporation (formerly Edge Therapeutics, Inc.), a biotechnology company, from August 2013 to March 2019, and Athenex, a biopharmaceutical company, from August 2020 to September 2023. Dr. Spiegel has served as a director on the board of Sun Pharma Advanced Research Company Limited (SPARC), a clinical-stage biopharmaceutical company, since June 2020.

From March 2011 to April 2016, Dr. Spiegel served as Chief Medical Officer of PTC Therapeutics, Inc., a biopharmaceutical company focused on discovering and developing treatments for rare disorders. In 2009, after 26 years with the Schering-Plough Corporation (now Merck & Co.), a global healthcare company, Dr. Spiegel retired as Chief Medical Officer and Senior Vice President of the Schering-Plough Research Institute, the pharmaceutical research arm of the Schering-Plough Corporation. His career at Schering-Plough involved various positions, including Director of Clinical Research for Oncology, Vice President of Clinical Research, and Senior Vice President of Worldwide Clinical Research. Following a residency in internal medicine, Dr. Spiegel completed a fellowship in medical oncology at the National Cancer Institute, and from 1981 to 1999 he held academic positions at the National Cancer Institute and New York University Cancer Center. Dr. Spiegel holds a B.A. from Yale University and an M.D. from the University of Pennsylvania.