Poseida Therapeutics, Inc. announced that Eric Ostertag, M.D., Ph.D., has resigned as Executive Chairman and will retire from the Board of Directors effective February 3, 2023. As Poseida's founding CEO, Dr. Ostertag directed the Company's spin out from Transposagen Biopharmaceuticals, Inc., a biotechnology company. Dr. Ostertag also founded Transposagen, where he was CEO from 2003 to 2015.

Dr. Ostertag earned his M.D. and Ph.D. from the University of Pennsylvania. Under his leadership, Poseida has grown substantially, raised significant private capital and successfully completed its IPO in 2020. The Company has also built a significant global intellectual property portfolio; received FDA clearance on four Investigational New Drug (IND) applications for novel cell therapies, dosed over 100 patients in clinical trials; and established multiple collaborations, including collaborations in cell therapy with Roche and in gene therapy with Takeda.