Andrew T. Chan, MD, MPH is a Professor of Medicine at Harvard Medical School (HMS), Chief of the Clinical and Translational Epidemiology Unit, and the Program Director for gastroenterology training at Massachusetts General Hospital (MGH). As a clinical gastroenterologist, Dr. Chan specializes in familial gastrointestinal cancer syndromes and cancer prevention. Dr. Chan is a leading investigator in the epidemiology of colorectal cancer and other digestive diseases, with a focus on chemoprevention with aspirin and the gut microbiome.
An elected fellow of the American Society of Clinical Investigation, his work is supported by the National Cancer Institute, the National Institute of Diabetes and Digestive and Kidney Diseases, Cancer Research UK, the American Gastroenterological Association (AGA), the Damon Runyon Cancer Research Foundation, and the Crohn’s and Colitis Foundation of America. He has published over 380 papers in the field of colorectal cancer and other chronic digestive diseases in leading journals, including the New England Journal of Medicine, Journal of the American Medical Association, Lancet, Science Translational Medicine, Gastroenterology and Gut. In 2016, he was recognized with a Top Ten Clinical Research Achievement award by the Clinical Research Forum. Dr Chan is a section editor for Gastroenterology, serves on the editorial board of Cancer Prevention Research and Cancer Epidemiology Biomarkers and Prevention, and is Chair of the Gastrointestinal Oncology Section of the AGA.