Geron names new commercial chief as executives depart

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Geron Corporation Announces Executive Leadership Transitions and Appointments

October 13, 2025 4:34 PM EDT

FOSTER CITY, Calif., Oct. 13, 2025 (GLOBE NEWSWIRE) -- Geron Corporation (Nasdaq: GERN), a commercial-stage biopharmaceutical company aiming to change lives by changing the course of blood cancer, today announced several executive transitions and appointments designed to align the companys leadership structure with its strategic priorities. Andrew Grethlein, Ph.D. who joined Geron in September 2012 and has served as Executive Vice President, Chief Operating Officer since January 2019, will depart the company on October 15, 2025, transitioning to a consulting role, while pursuing other interests. Jim Ziegler, who joined the company in September 2024 as Executive Vice... More