Dr. George Zahrebelski is a board-certified Castle Connelly selected Top Doctor practicing gastroenterology, hepatology, and nutrition in the suburbs of Chicago, Illinois, at the Digestive Disorders & Liver Center that he established in 1993. He has served as chairman of his hospital's Institutional Review Board committee to evaluate the safety of human participation in clinical research studies performed by staff providers on hospital network patients. Dr. Zahrebelski finished his fellowship in digestive and liver diseases and nutrition at the University of North Carolina Hospitals and Clinics at Chapel Hill, where he concentrated on how diet impacts human health and how drugs, environmental influences, social factors, and genetics affect the liver and the digestive and metabolic functioning of the human body. His fellowship training led to certification in gastroenterology and hepatology. Prior to his fellowship, he completed a residency and internship in internal medicine at the University of Illinois at Chicago and Westside Veterans Administration Hospitals after earning his medical degree from the University of Illinois at Chicago.