Hashem B. El-Serag is a Palestinian-American physician and medical researcher best known for his research in liver cancer, hepatocellular carcinoma (HCC) and the hepatitis C virus. He serves as the Margaret M. and Albert B. Alkek Chairman of the Department of Medicine at Baylor College of Medicine as well as the Director of the Texas Medical Center Digestive Disease Center. El-Serag previously served as President of the American Gastroenterological Association and Editor-in-Chief of Clinical Gastroenterology and Hepatology.