- Abstract review member for the Hepatitis B : Epidemiology/Prevention/Control review group, American Association for the Study of Liver Diseases (AASLD) (2011 - 2016)
- Chair, Abstract Review Committee, Liver and Biliary Carcinoma (Treatment, Diagnosis, Nat Hx), Digestive Disease Week (American Gastroenterological Association) (2022 - Present)
- Chair, Global Outreach Subcommittee, Hepatitis B Special Interest Group, American Association for the Study of Liver Disease (AASLD) (2018 - Present)
- Chair, Hepatitis B SIG, American Association for the Study of Liver Disease (AASLD) (2019 - 2020)
- CIGH Faculty Fellow, Center for Innovation in Global Health (CIGH), Stanford University (2015 - Present)
- Clinical Practice Guideline Committee, AASLD (2019 - Present)
- Committee Chair, Abstract Review for Chronic Hepatitis B, American Association for the Study of Liver Diseases (AASLD) (2013 - 2019)
- Director of Clinical Research, Pacific Health Foundation (2004 - Present)
- Director of Continuing Medical Education, Pacific Health Foundation (2005 - 2012)
- Director of Hepatology Clerkship, Stanford University School of Medicine (2013 - Present)
- Director of Hepatology Fellowship, http://med.stanford.edu/gastrohepfellows/, Stanford University Medical Center (2014 - Present)
- Editorial Board, Digestive Diseases and Sciences (2008 - Present)
- Editorial Board, Gastroenterology (2011 - Present)
- Editorial Board, Hepatology (2017 - 2019)
- Education Committee, American Association for the Study of Liver Diseases (AASLD) (2013 - 2016)
- Executive Board of Director, Asian Health Foundation (2013 - Present)
- Faculty Search Diversity Advisor, Department of Medicine, Stanford University (2019 - Present)
- Governing Council and Treasurer, International Association for the Study of Liver Diseases (IASL) (2019 - Present)
- Hepatology Associates Committee , MD Liaison, American Association for the Study of Liver Diseases (AASLD) (2013 - 2016)
- International Advisory Board, Lancet Gastroenterology and Hepatology (2018 - Present)
- International Editorial Board, Alimentary Pharmacology and Therapeutics (2018 - Present)
- Liver Section Editor, Journal of Clinical Gastroenterology (2013 - Present)
- Medical Advisory Board, American Liver Foundation (2013 - Present)
- Practice Management Committee, American College of Gastroenterology (ACG) (2019 - Present)
- Professoriate Appointments and Promotions Committee (DoM A&P Committee), Department of Medicine, Stanford University (2018 - Present)
- Research Award Panel, American Gastroenterological Association (AGA) (2019 - 2021)
- Steering Committee, HBV Special Interest Group, American Association for the Study of Liver Diseases (AASLD) (2015 - Present)
- Steering Committee, Hepatobiliary Neoplasia Special Interest Group, American Association for the Study of Liver Diseases (AASLD) (2014 - 2016)
- Training and Workforce Committee, Member, American Association for the Study of Liver Diseases (AASLD) (2002 - 2004)
- Vice-Chair, Hepatitis B SIG, American Association for the Study of Liver Disease (AASLD) (2018 - 2019)