Andrew Posselt, MD, PhD

Transplant and Bariatric Surgeon, Director, Pancreatic Islet Transplant Program, UCSF Medical Center

Dr. Posselt is a surgeon-scientist with deep experience in transplant immunology and clinical islet cell transplantation. At UCSF, he performs kidney, liver, and pancreas transplants and leads clinical research in both islet transplantation and bariatric surgery. His work focuses on mechanisms of transplant tolerance and improving outcomes in metabolic diseases.