Meet the Transplant Surgery Team
Division Chief
Transplant Surgeons
Nancy L. Ascher, MD, PhD
Professor of Surgery
Division of Transplant Surgery
Isis Distinguished Professor in Transplantation
Hillary Braun, MD, MAS
Assistant Professor of Surgery
Division of Transplant Surgery
James M. Gardner, MD, PhD
Associate Professor of Surgery
Division of Transplant Surgery
Investigator, UCSF Diabetes Center
Director, UCSF VITAL Core
Sang-Mo Kang, MD
Professor of Surgery
Division of Transplant Surgery
Surgical Director of Liver Transplantation
UCSF-Benioff Children’s Hospital
Hirotake Komatsu, MD, PhD
Associate Professor of Surgery
Division of Transplant Surgery
Andrew M. Posselt, MD, PhD
Professor of Surgery
Division of Transplant Surgery
Director, Pancreatic Islet Transplant Program
Charles Rickert, MD, PhD
Assistant Professor of Surgery
Division of Transplant Surgery
John P. Roberts, MD
Professor of Surgery
Division of Transplant Surgery
Endowed Chair in Abdominal Transplantation
Garrett R. Roll, MD
Associate Professor of Surgery
Division of Transplant Surgery
Peter G. Stock, MD, PhD
Professor of Surgery
Vice Chair for Professionalism
Surgical Director, Kidney and Pancreas Transplant Program
Surgical Director, Pediatric Renal Transplant Program
Co-Director, Pancreatic Islet Cell Transplant Program
Program, Director, T32 Training Program in Transplant Surgery
Shareef Syed, MBChB, MRCS, FACS, MAEd
Associate Professor of Surgery
Division of Transplant Surgery
Associate Director, UCSF Surgical Skills Center
Director, Abdominal Transplant Fellowship Program
Seiji Yamaguchi, MD, FACS
Assistant Professor of Surgery
Division of Transplant Surgery
Basic Scientist
Chris Hsiung, MD, PhD
Assistant Professor of Surgery
Division of Transplant Surgery
Rajalingam Raja, PhD, F(ACHI), FRCP
Clinical Professor of Surgery
Director, Immunogenetics and Transplantation Laboratory
Minnie M. Sarwal MD, MRCP, FRCP, PhD, DCH
Professor in Residence, Transplant Surgery, UCSF
Medical Director, Pancreas Kidney Transplant Program, UCSF
Co-Director, T32 Training Program in Surgery, UCSF
Consulting Professor, Stanford University; University of California, Berkeley
Board Member, FDA Science Board
Capstone Mentor, Masters in Translational Medicine, UCSF/UCB
Tara Sigdel, PhD
Associate Professor of Surgery
Division of Transplant Surgery
Qizhi Tang, PhD
Professor of Surgery
Division of Transplant Surgery
Director, Transplantation Research Laboratory
Holger Willenbring, MD, PhD
Professor of Surgery
Member, Eli and Edythe Broad Center of Regeneration
Medicine and Stem Cell Research
Director, Liver Center
Emeritus Faculty
David Avrin, MD, PhD
Professor Emeritus, Radiology
Department of Radiology
Linda Ferrell, MD
Emeritus Professor
Departments of Pathology & Laboratory Medicine
Ryutaro Hirose, MD
Professor & Chief, Division of Transplant Surgery
UW Medicine Transplant Institute
Interim Chief of Pediatric Transplant
Seattle Children's Hospital
James W. Ostroff, MD
Professor of Clinical Medicine, Pediatrics and Radiology
Lynne and Marc Benioff Endowed Chair in Gastroenterology
Director, Endoscopy Unit and Gastrointestinal Consultative Service
Stephen J. Tomlanovich, MD
Emeritus Professor of Medicine and Surgery
Departments of Medicine and Surgery
Medical Director, Kidney Transplant Service