
Geoffrey Stephens, PhD, MBA
ISCT PAAD Working Group Member
Founder and CEO
AiCella Inc.
United States
Geoffrey Stephens, PhD, the Founder and CEO of AiCella, Inc., is an experienced scientific executive with more than 20 years of experience working in all aspects of the biotech industry. After graduating with a PhD in Molecular Medicine from the Medical College of Georgia, Dr. Stephens spent four years as a postdoctoral fellow at the National Institute for Allergy and Infectious Diseases (NIAID) at the NIH in Bethesda, MD working under the direction of Ethan Shevach, MD. Following the NIAID, Dr. Stephens spent nine years leading teams in drug discovery and development. His experience spans regulatory T cells, CAR-T, TCR-T, iPSCs, large and small molecule therapeutics for cancer, autoimmunity, and inflammatory diseases. As head of Process Development at Tessa Therapeutics he played an integral role developing CD30-CAR-T cell therapies for the treatment of Hodgkin and non-Hodgkin lymphoma. Dr. Stephens was also the Director of Product Science at Immatics, LLC, where he led the development of TCR-T cell-based therapies for the treatment of a variety of cancers.