Administrative Appointments
- Board of Directors, American Liver Foundation, Northern California Chapter (2008
- present)
- Board of Directors, Foundation for Digestive Health and Nutrition (2004
- present)
- Chief of Hepatology, Stanford University School of Medicine (2000
- 2007)
- Co-Director, Liver Transplant Program, Stanford University Medical Center (2000
- 2007)
- Chief of Clinical Gastroenterology, Stanford University School of Medicine (1995
- 2000)
- Medical Director, Liver Transplant Program, Stanford University Medical Center (1995
- 2000)
- Board of Directors, American Digestive Health Foundation (1994
- 2001)
- Board of Directors, American Liver Foundation (1991
- 1998)