Tammy Chang

Tammy T. Chang, MD, PhD, is an Assistant Professor of Surgery at the University of California, San Francisco and a transplant surgeon-scientist specializing in liver transplantation. She leads the UCSF Liver Tissue Engineering and Organ Bioprinting Lab, focusing on building functional, vascularized liver tissues and organoids to address organ shortage and liver disease. Her clinical practice includes adult and pediatric liver transplantation and complex hepatobiliary surgery. Dr. Chang’s research integrates stem cell biology, biomaterials, and microvascular engineering to recreate human liver architecture, aiming to develop transplantable grafts and platforms for disease modeling and drug testing.