Syed Rizvi, M.D. , joined Rocket as Chief Medical Officer in September 2025. Dr. Rizvi most recently served as Chief Medical Officer at Poseida Therapeutics, an allogeneic cell therapies and genetic medicines company, where he advanced Poseida s promising pipeline of allogeneic CAR-T and gene therapy programs to the point of the company s acquisition by Roche in January 2025. Before Poseida, Syed was Chief Medical Officer at Caribou Biosciences, an allogeneic cell therapy company, where he was responsible for overall strategy and execution of all clinical development programs. Prior to this, he served as Chief Medical Officer at Chimeric Therapeutics, where he helped build the company s pipeline by licensing programs from leading universities and progressing existing programs through the clinical development process. Previously, Dr. Rizvi held a series of global clinical leadership roles of increasing responsibility at Legend Biotech, Celgene, Novartis, Merck, and Genta Inc. Dr. Rizvi received his M.D. from Dow Medical College and spent several years in direct patient care before joining Saint Vincent s Comprehensive Cancer Center in New York. He has authored multiple scientific publications in peer-reviewed journals and is a member of the American Society of Clinical Oncology, the American Society of Hematology, the American Society for Transplantation and Cellular Therapy, and the European Hematology Association, among other professional organizations.