Dr. Peter Stock is a multiorgan transplant surgeon at the University of California, San Francisco, and performs kidney, pancreas and liver transplants.  He also serves as the Surgical Director of the Kidney and Pancreas Transplant Program at UCSF, as well as the Pediatric Kidney Transplant Program.  His translational research explores beta cell replacement for the treatment of  Type 1 diabetes, and he is currently co-Director of the UCSF Pancreatic Islet Transplant Program and was co-PI on the CIRM (California Institute of Regenerative Medicine) stem cell initiative to bring stem cell-derived beta cells to a clinical trial.  He is the Principal Investigator on the NIH U01 multicenter trial studying the immune response following liver and kidney transplants in people with HIV.  Dr. Stock is a member and has served in leadership positions in many professional organizations, including the American Society of Transplant Surgeons (ASTS, served as President, July 2014 to May 2015), The Transplantation Society (TTS, currently serving as councilor and Chair of the Ethics Committee), the American College of Surgeons (ACS), the United Network for Organ Sharing (UNOS, serving as Chair of both the Pancreas and Kidney Transplant Committees), the Society of University Surgeons (SUS), the International Pancreas and Islet Transplant Association (IPITA, serving as councilor and Chair of the 14th World Congress in Monterey, CA), the International Liver Transplantation Society (ILTS, Co-Chair of the 18th Annual International Congress in San Francisco, CA), the International Pediatric Transplant Association (IPTA), and the American Surgical Association (ASA).  He is on the editorial board of Transplantation and an ad hoc reviewer for the American Journal of Transplantation, New England Journal of Medicine, Clinical Transplantation, Liver Transplantation, and an invited lecturer on transplantation and immunosuppressive strategies both nationally and internationally.