Brian McMahon is a clinical Hepatologist, Medical, and Research Director at the Liver Disease and Viral Hepatitis Program at Alaska Native Medical Center. He coordinated programs to eradicate transmission hepatitis B (HBV) and hepatitis A (HAV) in the Alaska Native Population. He and his colleagues conduct research in the outcome and treatment of HBV, hepatitis C (HCV) and long-term protection of HAV and HBV vaccines. He is Clinical Professor of Medicine at University of Washington and an Auxiliary Professor at the University of Alaska WWAMI Medical Schools He was co author of the AASLD Practice Guideline on Chronic Hepatitis B 2001 to 2009, on the methodology committee for the 2016 AASLD Guidelines and the writing committee for the 2017 AASLD supplemental Guideline. He was co-chair of the WHO hepatitis B Guidelines Committee. He has also participated in establishing model programs for management of HBV/HIV co-infection and HBV monoinfection with the CDC Foundation since 2008.