Geron Corp - Company Profile
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The following section provides information on Geron Corp’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Geron Corp's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
Elizabeth G. O’Farrell
Chairman Executive BoardMs. Elizabeth G. O’Farrell has been the Chairman of the company since March 2025. Prior to this, she served as the board member of Inhibikase Therapeutics. She also serves as the Board member of LENSAR, Inc and Genmab A/S.
Harout Semerjian
Director; President; Chief Executive Officer Executive BoardMr. Harout Semerjian has been the President, Director, and Chief Executive Officer of the company since August 2025. Prior to this, he served as the Director at Biotechnology Innovation Organization. Previously, he served as the President and Chief Executive Officer at GlycoMimetics, Inc from 2021 to 2025. Mr Semerjian served as the Director at GlycoMimetics, Inc. He also served as the President and Chief Executive Officer at Immunomedics Inc. He served as the Executive Vice President, Chief Commercial Officer at Ipsen Pharma.
Michelle Robertson
Executive Vice President; Chief Financial Officer; Treasurer; Senior ManagementMs. Michelle Robertson has been the Executive Vice President, Treasurer, and Chief Financial Officer of the company since 2023. Prior to this, he served as the Chief Financial Officer and Treasurer at Editas Medicine, Inc from 2020 to 2023. Previously, he served as the Chief Financial Officer at Momenta Pharmaceuticals, Inc., from 2018 to 2020. Mr Robertson served as the Vice President, Oncology Finance, at Baxalta Inc from 2015 to 2016. He also served as the Head of Financial Planning and Analysis and Operations Excellence at Ironwood Pharmaceuticals, Inc., from 2012 to 2015. He also served in various finance and commercial operations roles at Genzyme Corporation.
Timothy Williams
Secretary; Chief Legal Officer; Executive Vice President Senior ManagementMr. Timothy Williams has been the Chief Legal Officer, Executive Vice President, and Secretary of the company since April 2026. Prior to this, he served as the Senior Vice President, General Counsel and Secretary at Vanda Pharmaceuticals, Inc. Previously, he served as the Executive Vice President, General Counsel, Chief Compliance Officer and Corporate Secretary at AgNovos Bioscience. Mr Williams served as the Senior Legal Counsel and Assistant Secretary at Stryker Corporation.
Shannon T. Odam
Chief People Officer; Senior Vice President Senior ManagementMs. Shannon T. Odam has been the Senior Vice President and Chief People Officer of the company since January 2024. Prior to this, she served as the Vice President, Human Resources of the company. Previously, she served as the Vice President, Human Resources at BioElectron Technology Corp. Mr Odam also served in various human capital roles at PricewaterhouseCoopers from 2007 to 2017.
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