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
James M. Gardner, MD, PhD
Assistant 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
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, PhD
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
Associate 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 of Surgery
Division of Transplant Surgery
Vice Chair of Clinical Operations and Value
Associate Program Director,
UCSF General Surgery Residency Program
Surgical Medical Director, Scientific Registry of Transplant Recipients (SRTR).
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