Biographies
Willis C. Maddrey, MD—Program Chair
Professor of Internal Medicine
Executive Vice President for Clinical Affairs
The University of Texas
Southwestern Medical Center at Dallas
Dallas, Texas

Willis C. Maddrey received a medical degree from the Johns Hopkins University School of Medicine in Baltimore, Maryland and completed his residency in the Osler Medical Service of the Johns Hopkins Hospital. Additional postgraduate work included a fellowship in liver disease with Dr. Gerald Klatskin at Yale University School of Medicine.

Dr. Maddrey is a member of many professional societies, including the American Society for Clinical Investigation and the American Gastroenterological Association. He is Past President of the American Association for the Study of Liver Diseases and the American College of Physicians. He is a Master of the American College of Physicians and a Fellow of the Royal College of Physicians of London. Dr. Maddrey has received numerous honors and awards, including the American Gastroenterological Association Distinguished Educator Award and the Distinguished Service Award of the American Association for the Study of Liver Diseases. He was named the Adelyn and Edmund M. Hoffman Distinguished Chair in Medical Science at UT Southwestern Medical Center in 1998.

Dr. Maddrey has authored numerous scientific publications and has published extensively in the areas of chronic viral hepatitis, drug-induced liver disease, alcohol-induced liver disease, liver transplantation, and primary biliary cirrhosis. He has authored numerous publications focusing on hepatitis and liver disease. Dr. Maddrey has edited or co-edited nine books, including the tenth edition of Schiff's Diseases of the Liver, which was published in 2006.


Steven L. Flamm, MD
Associate Professor
Division of Hepatology
Feinberg School of Medicine
Northwestern University
Chicago, Illinois

Steven L. Flamm received a medical degree from the University of Pennsylvania School of Medicine in Philadelphia. He completed a residency at Beth Israel Deaconess Medical Center, Harvard Medical School, in Boston, Massachusetts. Dr. Flamm is currently an Associate Professor of Medicine in the Division of Gastroenterology and Hepatology at Northwestern Memorial Hospital in Chicago. He also serves as Medical Director of Liver Transplantation at Northwestern and the Clinical Practice Director for the Division of Hepatology.

Dr. Flamm is board certified in gastroenterology. During his training, he served as Chief Resident in Medicine at Beth Israel Deaconess Medical Center and received a Clinical Investigator Training Award from Harvard Medical School. He has served on the Publication and Practice Guideline Committees of the American Association for the Study of Liver Diseases and is a member of the American Gastroenterological Association and the American Association for the Study of Liver Diseases. Dr. Flamm is affiliated with the United Network for Organ Sharing (UNOS) and has served as Region 7 representative to the UNOS Liver and Intestine Committee and as chair of the Region 7 Review Board.

Dr. Flamm’s research focuses on the use of emerging therapies in the treatment of chronic hepatitis C and chronic hepatitis B. He has published articles in many peer-reviewed journals including the American Journal of Gastroenterology, Journal of Nephrology, and Hepatology. He has also written numerous reviews and book chapters and has lectured widely on the subject of hepatitis C and hepatitis B.


John B. Gross, MD
Associate Professor of Medicine
Mayo Clinic College of Medicine
Division of Gastroenterology and Hepatology
Mayo Clinic
Rochester, Minnesota

John B. Gross received a medical degree from the University of Minnesota Medical School in Minneapolis and subsequently completed a residency in internal medicine at the University of Minnesota Hospitals. He completed three years of subspecialty training in gastroenterology at Mayo Clinic, followed by a visiting research fellowship in clinical pharmacology at the University of Berne in Switzerland. Dr. Gross has been a Consultant in Gastroenterology & Hepatology at Mayo Clinic for over 20 years.

Dr. Gross is an Associate Professor of Medicine in the Mayo Clinic College of Medicine in Rochester, Minnesota. He is the former chairman of the Midwest Hepatitis Study Group, an organization he co-founded in 1996.

The author of numerous journal articles, Dr. Gross has lectured nationally and internationally on hepatitis C. His research interests include hepatitis C, Wilson's disease, and metabolic liver testing. He was recently the national principal investigator for the RENEW trial, a multicenter study of high-dose interferon treatment for patients with hepatitis C.


Stephen A. Harrison, MD
Chief of Hepatology
Associate Program Director, GI Fellowship
Brooke Army Medical Center
Fort Sam Houston, Texas

Stephen A. Harrison completed a medical degree at the University of Mississippi School of Medicine in Jackson, Mississippi. He completed an internship and residency in internal medicine and a gastroenterology fellowship at the Brooke Army Medical Center. He also completed a hepatology fellowship at Saint Louis University. He currently serves in the US Army, stationed at Brooke Army Medical Center in San Antonio where he is the Chief of Hepatology. He is also on staff at the University of Texas Health Science Center at San Antonio as Associate Professor in the Department of Medicine, Division of Gastroenterology.

A Diplomate of the American Board of Internal Medicine (ABIM) and the ABIM Subspecialty Board in Gastroenterology, Dr. Harrison holds membership in several professional societies, including the American Gastroenterology Association, American College of Gastroenterology, and the American Association for the Study of Liver Diseases. Among his many honors, Dr. Harrison received the William Beaumont Clinical Research Award (2003) and the Research Excellence in GI and Liver (REGAL) award (2006).

Dr. Harrison has published numerous articles in peer-reviewed journals. He currently serves as a reviewer for American Journal of Gastroenterology, Hepatology, Gastroenterology, Liver International, Journal of Hepatology, and several other journals, and he is a member of the editorial boards of Hepatology, Clinical Gastroenterology and Hepatology, and Journal of Clinical Gastroenterology. Dr. Harrison is a frequent invited lecturer on the topics of chronic hepatitis C and insulin resistance and nonalcoholic fatty liver disease. He has been the lead investigator on several studies.