Marion Peters, MD is a Professor of Medicine and Chief of Hepatology Research at the University of California at San Francisco, where she currently holds the John V. Carbone, MD, Endowed Chair in Medicine. She received her Bachelor of Medicine/Bachelor of Surgery degree and her Doctorate of Medicine from Melbourne University Medical School in Melbourne, Australia. Her research focuses on viral hepatitis in complicated clinical settings, patients with co-morbid conditions including alcoholism and HIV infection. In these complex situations her group focuses on the role of host responses to hepatitis virus infection, and examine the effect of alcohol or HIV on the progression of viral hepatitis and the response to anti-viral therapy. She studies the factors associated with progression of hepatitis C and HIV, including race/ethnicity, immune status and the role of reproductive aging. She has been a major scientific leader in the AIDS Clinical Trial Group (ACTG), and leads the ACTG Hepatitis Transformative Science Group and the Women’s Interagency HIV study (WIHS) Hepatitis Working group where she is studying new serum markers to evaluate liver fibrosis in women, outcomes in Hepatitis B and new HCV drugs for patients with HCV, with and without HIV. She has published numerous peer reviewed articles.