Geron GERN

Harout Semerjian has served as our President and Chief Executive Officer and member of our Board since August, 2025. Prior to joining the Company, Mr. Semerjian served as President and Chief Executive Officer of GlycoMimetics, Inc., a late-stage clinical biotechnology company subsequently combined with Crescent Biopharma, Inc., from August 2021 until February 2025. He also previously served on the board of directors of GlycoMimetics until February 2025. Since October 2023, Mr. Semerjian has also served as a member of the board of directors at the Biotechnology Innovation Organization. From June 2020 to July 2021, Mr. Semerjian served as an independent healthcare consultant at Emerge Bio Consulting, advising private equity firms on healthcare investment projects. Mr. Semerjian served as President and Chief Executive Officer of Immunomedics Inc., a biotechnology company specializing in antibody-drug conjugates for cancer treatment, from April 2020 to May 2020, prior to its acquisition by Gilead Sciences, Inc. From March 2018 to April 2020, Mr. Semerjian served as Executive Vice President, Chief Commercial Officer of Ipsen Pharma, a global, pharmaceutical company focusing on areas of high unmet medical need, leading and executing Ipsen's global commercial strategy and functions across oncology, neurosciences and rare diseases. From February 2017 to February 2018, he served as President and Head of Ipsen's Specialty Care International Region & Global Franchises. From 1994 to January 2017, Mr. Semerjian held several commercial, marketing and sales positions of increasing responsibility within Novartis Pharmaceuticals, a global pharmaceutical company, including serving as Senior Vice President and Global Launch Leader for KISQALI, in regional vice president hematology and oncology roles in the U.S., MENA and the Nordics, and as global brand director for Gleevec, as well as for Merck, a global pharmaceutical company, and Solvay, a multinational chemical and materials company. Mr. Semerjian holds an MBA from Cornell University and Queen's University in Canada, and a B.S. in Biology from Lebanese American University.

Ahmed ElNawawi has served as our Executive Vice President, Chief Commercial Officer since October 2025. Prior to joining the Company, Mr. ElNawawi most recently served as Senior Vice President and U.S. Commercial Head at Stemline Therapeutics, a wholly-owned subsidiary of the Menarini Group, from April 2022 until October 2025, where he led the U.S. commercial organization spanning the sales, marketing, market access, commercial excellence, and data analytics functions. Before joining Stemline, Mr. ElNawawi spent nearly two decades at Novartis Oncology, from April 2004 until April 2022, in roles of increasing responsibility, including Oncology General Manager for Romania and the Gulf region, Executive Director for U.S. Melanoma, and Global Indication Lead for both breast and lung cancer. Earlier in his career, he held commercial and marketing positions in Egypt, the UAE, and Saudi Arabia with Merck and Schering-Plough. He received an MBA from the University of Leicester and a B.S. in Clinical Pharmacy from Ain Shams University in Cairo, Egypt.

Michelle Robertson has served as our Executive Vice President, Chief Financial Officer and Treasurer since September 2023. Prior to joining Geron, she served as the Chief Financial Officer and Treasurer of Editas Medicine, Inc., a CRISPR genome editing company, from January 2020 to May 2023. Before that, she served as Chief Financial Officer of Momenta Pharmaceuticals, Inc. from 2018 until 2020, when Momenta was acquired by Johnson & Johnson. Prior to joining Momenta, Ms. Robertson held multiple commercial finance roles of increasing responsibility, including Vice President, Oncology Finance for Baxalta Incorporated following its spin-off from Baxter International Inc., from 2015 to 2016; Head of Financial Planning and Analysis and Operations Excellence at Ironwood Pharmaceuticals, Inc. from 2012 to 2015; and various finance and commercial operations roles at Genzyme Corporation (acquired by Sanofi). She also currently serves as a member of the board of directors and as the chair of the audit committee for Verastem, Inc., a publicly-traded biopharmaceutical company. Ms. Robertson received her B.S. in Finance and A.S. in Accounting and Management from Bentley University.

Joseph Eid, M.D., has served as our Executive Vice President Research and Development since November 2024. Prior to joining Geron, Dr. Eid served as President, Research and Development for Dragonfly Therapeutics, Inc., a clinical stage biopharmaceutical company, with overall responsibilities for Dragonfly's discovery and clinical research strategy and execution, from February 2023 to March 2024. Before joining Dragonfly Dr. Eid served as Executive Vice President, Chief Medical Officer at Luzsana Biotechnology, Inc., a pharmaceutical company and a subsidiary of Hengrui Pharmaceuticals, from October 2021 to September 2022. Prior to his biotechnology leadership roles, Dr. Eid served as Senior Vice President and Head, Global Medical Affairs for Bristol Myers Squibb, or BMS, from 2017 to 2021, where he led global medical affairs across four therapeutic franchises. Prior to BMS, Dr. Eid spent nine years at Merck, first at Merck Research Labs, where he led the first-in-human strategy of their global KEYTRUDA program, and then at Merck Global Human Health, where he built Merck's global oncology medical affairs team. Dr. Eid started his pharmaceutical career at Hoffmann La Roche, where he was responsible for both early- and late-stage assets and led several clinical teams. Prior to entering the biopharmaceutical industry, Dr. Eid was an Assistant Professor in the hematology department of Robert Wood Johnson Medical School in New Jersey from 1999 to 2004 and as a volunteer, through 2019. Dr. Eid received his M.D. from Saint Joseph University, Faculty of Medicine, and serves on ALSAC/St Jude Children's Research Hospital board, and on the board of Angle PLC, a liquid biopsy company.

awn C. Bir has served as a director of Geron since March 2019 and as our Interim President and Chief Executive Officer from March until August 2025. Ms. Bir has served as a member of the board of directors of Cassava Sciences, Inc., a biotechnology company focused on developing novel, investigational treatments for central nervous system disorders, since October 2025, and of Soleno Therapeutics, Inc., a biopharmaceutical company developing novel therapeutics for the treatment of rare diseases, since August 2024. Previously, Ms. Bir served as the Chief Commercial Officer of Reata Pharmaceuticals, Inc., a biopharmaceutical company where she led marketing, market access, sales, and commercial operations, from September 2016 until Reata's acquisition by Biogen, Inc. in September 2023. From February 2013 to September 2016, Ms. Bir served as Vice President of Sales with Pharmacyclics LLC, an AbbVie company, where she built and led their first hematology national sales organization, and was responsible for the launch of IMBRUVICA in the United States and Puerto Rico. From October 2011 to February 2013, Ms. Bir served as Vice President of Sales & Marketing of SKY Pharmaceuticals Packaging, Inc. & Rx Pak, a unit within the U.S. pharmaceutical and specialty solutions division of McKesson Corporation, a global healthcare company, where she was responsible for two companies and revenue centers, and led multiple functions, including sales, marketing, contract management, project management and customer service. From 1996 to October 2011, Ms. Bir held several commercial and sales positions of increasing responsibility within Genentech, Inc., a member of the Roche Group, a global pharmaceutical company, and Bristol Myers Squibb Company, a global pharmaceutical company. Ms. Bir holds a B.S. in Biology from Binghamton University.

Effective March 10, 2025, Ms. Elizabeth G. O'Farrell, currently the Lead Independent Director of the Board, was appointed Chair of the Board. Elizabeth G. O'Farrell has served as a director of Geron since March 2019. Elizabeth G. O'Farrell has served as a director of Geron since March 2019 and as Chair of the Board since March 2025 and, prior to that time, as Lead Independent Director since May 2023. Ms. O'Farrell also serves as a member of the boards of directors of LENSAR, Inc., a global medical technology company, since February 2021, Genmab A/S, a global oncology company, since March 2022 and SpyGlass Pharma, Inc., a global ophthalmic therapeutics company, since August 2025. Previously, she served as a member of the board of directors of Inhibikase Therapeutics, a pharmaceutical company focused on treatments of neurological infections and neurodegenerative diseases, from March 2019 to September 2022. Ms. O'Farrell also served as a board member of the YMCA of Greater Indianapolis from 2006 until 2017, including as its chairperson from 2014 to 2016. In December 2017, Ms. O'Farrell retired from a 24-year career with Eli Lilly and Company, a global pharmaceutical company, where she held several senior management positions in finance and corporate governance, most recently serving as Chief Procurement Officer and Head of Global Shared Services from January 2012 to December 2017. Prior to that position, she also served as Senior Vice President, Policy and Finance; Senior Vice President, Finance; Chief Financial Officer, Lilly USA; Chief Financial Officer, Lilly Canada; and General Auditor. Before joining Eli Lilly, Ms. O'Farrell was an accountant with Boise Cascade Office Products, and served as an auditor at Whipple & Company, a professional accountancy firm, and Price Waterhouse, an international public accounting firm. Ms. O'Farrell holds a B.S. in accounting with honors and an M.B.A. in management information systems, both from Indiana University.

Susan M. Molineaux, Ph.D. has served as a director of Geron since September 2012. Dr. Molineaux currently serves as the Executive Chair of Seranova Bio Inc., an early stage private therapeutics company, a position she has held since January 2026. Dr. Molineaux also served as the Chief Executive Officer at Para Therapeutics, Inc., from April 2023 to July 2025 and as a member of the board of directors of Repare Therapeutics Inc., a clinical-stage precision oncology company, from June 2023 to December 2025. Prior to her role at Para Therapeutics, Inc., Dr. Molineaux was Chief Executive Officer, President, and a member of the board of directors of Calithera Biosciences, Inc., since co-founding the company in June 2010 until March 2023. Dr. Molineaux previously served as a member of the boards of directors of Cyteir Therapeutics, Inc., a clinical-stage DNA repair and synthetic lethality company, from December 2020 until May 2023, and Theravance Biopharma, Inc., a biopharmaceutical company, from April 2015 to April 2022. Before she co-founded Calithera Biosciences, Dr. Molineaux co-founded Proteolix, Inc., a privately-held oncology-oriented biopharmaceutical company, where she served as Chief Scientific Officer from December 2003 to December 2005, Chief Executive Officer from January 2006 to January 2009, and again as Chief Scientific Officer from February 2009 until Proteolix's acquisition by Onyx Pharmaceuticals, Inc., a global oncology-oriented biopharmaceutical company, in November 2009. Previously, Dr. Molineaux held several senior management positions in the biopharmaceutical industry, including Vice President of Biology at Rigel Pharmaceuticals, Inc., a biopharmaceutical company focused on inflammatory and autoimmune diseases; Vice President of Biology at Praelux, Inc., a biopharmaceutical company; and Vice President of Drug Development at Praecis Pharmaceuticals, Inc., an oncology-focused biopharmaceutical company. Dr. Molineaux also serves as a Scientific Advisor to Lightstone Ventures, a private life sciences investment company, since September 2016. Dr. Molineaux holds a B.S. in biology from Smith College, a Ph.D. in molecular biology from Johns Hopkins University, and completed a postdoctoral fellowship at Columbia University.

John F. McDonald has served as a director of Geron since September 2022. Since October 2018, Mr. McDonald has served as Vice President, Business Development and Mergers and Acquisitions, for Novo Nordisk A/S, a global pharmaceutical company, where he leads business development and merger and acquisition activities, investment strategies and participates in the creation of research, early development, and therapeutic pipeline diversification and augmentation strategies. From 2011 to 2018, Mr. McDonald was Vice President, Business Development, at Biogen Inc., a biopharmaceutical company, where he led business development and negotiated numerous strategic alliances, licenses and acquisitions. From 2006 to 2011, Mr. McDonald served as Managing Director at MPM Capital LP, an investment firm, where he served as the primary business development and asset strategy resource for multiple portfolio companies. Prior to 2006, Mr. McDonald held business development, corporate strategy, and legal roles of increasing responsibility at various biopharmaceutical companies, including at Millennium Pharmaceuticals Inc., a biotechnology company (now a Takeda Oncology Company, a pharmaceutical company), Genzyme Corp., a biopharmaceutical company (now part of Sanofi, a pharmaceutical company) and Genentech, Inc., a biopharmaceutical company (now a member of the Roche Group, a pharmaceutical company). In those roles, Mr. McDonald developed relationships with numerous academic institutions, as well as biotechnology and pharmaceutical companies of all stages. Mr. McDonald holds a J.D. from the University of California College of the Law, San Francisco and an M.B.A. and B.S. from the Haas School of Business, University of California, Berkeley.

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 boards of directors of 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 Athenex, a biopharmaceutical company, from August 2020 to September 2023, and Cyclacel Pharmaceuticals, Inc., a biopharmaceutical company developing targeted medicines for cancer and other proliferative diseases, from September 2018 to January 2025. 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.

On March 25, 2026, the Board of Directors of Geron Corporation, upon the recommendation of the Nominating and Corporate Governance Committee of the Board, elected Patricia S. Andrews to the Board, in each case effective immediately, Ms. Andrews currently serves as a member of the Board of Directors of Glenmark Pharmaceuticals Limited, and as a director of its wholly-owned subsidiary, Ichnos Glenmark Innovation (IGI), positions she has held since August 2025. Since 2024, she has also served as a member of the Board of Directors of Oncolytics Biotech Inc. Previously, she served as a member of the Board of Directors and the Audit Committee of GlycoMimetics, Inc., from 2017 until its merger with Crescent Biopharma in 2025. Ms. Andrews served as Chief Executive Officer of Sumitomo Pharma Oncology, Inc. (formerly Boston Biomedical, Inc.), and as an Executive Officer of its parent company, Sumitomo Pharma Co., Ltd., from 2017 to 2023. Ms. Andrews was also the Global Head of Oncology for Sumitomo Pharma Co., from 2020 to 2023. Ms. Andrews joined Boston Biomedical in 2013 as Executive Vice President and Chief Commercial Officer, and was promoted to Chief Operating Officer in 2015. From 2008 to 2012, Ms. Andrews served as Executive Vice President and Chief Commercial Officer at Incyte Corporation. Prior to Incyte, Ms. Andrews held roles of increasing responsibility at Pfizer Inc. from 1991 to 2008, including as Vice President and General Manager of the U.S. Oncology Business Unit and Vice President, Specialty Markets. Ms. Andrews holds an M.B.A. with a focus on Finance from the University of Michigan (Ann Arbor) and a B.A. in History and Political Science from Brown University.

On March 25, 2026, the Board of Directors of Geron Corporation, upon the recommendation of the Nominating and Corporate Governance Committee of the Board, elected Constantine Chinoporos to the Board, in each case effective immediately. Mr. Chinoporos served as Chief Operating Officer and Chief Business Officer at Applied Therapeutics, Inc., from 2023 until its acquisition by Cycle Pharmaceuticals in 2026. Prior to his role at Applied Therapeutics, Mr. Chinoporos served as Chief Business Officer at Albireo Pharmaceuticals, Inc. from 2021 until its acquisition by Ipsen S.A. in 2023. From 2015 to 2021, Mr. Chinoporos served as Chief Business Officer at Boston Pharmaceuticals, Inc. Previously, he held senior positions in worldwide licensing, business development, corporate development, corporate finance and alliance management at Sanofi S.A., Genzyme Corporation, and Eli Lilly and Company. Mr. Chinoporos currently serves as a strategic advisor to Apollo Therapeutics Ltd., a role he has held since 2023. Mr. Chinoporos served as a member of the Board of Directors and a Chairperson of the Compensation Committee at Elektrofi, Inc. from 2019 until its acquisition by Halozyme Therapeutics, Inc. in 2025. Mr. Chinoporos holds an M.B.A. from the Johnson Graduate School of Management at Cornell University and a B.A. in History from Cornell University.