Chief Clinical and Translational Epidemiology Unit, Massachusetts General Hospital

Clinician Investigator, Full Professor Medicine, Mass General Research Institute

Daniel K. Podolsky Professor of Medicine Harvard Medical School

Director of Epidemiology Cancer Center, Massachusetts General Hospital

Physician Gastroenterology, Massachusetts General Hospital

Associate Member Broad Institute

Stuart and Suzanne Steele MGH Research Scholar Massachusetts General Hospital

Professor Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health

MPH 2004

MD Harvard Medical School 1997

adenoma; anti-inflammatory agents non-steroidal; anticarcinogenic agents; aspirin; aspirin and cancer; cancer; cancer prevention; cancer risk; colitis ulcerative; colorectal cancer; colorectal neoplasms; coronavirus; covid-19; crohn disease; cyclooxygenase 2; diet; gut microbiome

Andrew T. Chan, MD, MPH is a Professor of Medicine at Harvard Medical School (HMS), Professor of Immunology and Infectious Disease, Chief of the Clinical and Translational Epidemiology Unit at Massachusetts General Hospital (MGH) and the Director of Epidemiology at the MGH Cancer Center.  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 interaction of diet with the gut microbiome. An elected fellow of the American Society of Clinical Investigation, he currently supported by NCI, NIDDK, NIA, StandUpToCancer and the Crohn’s and Colitis Foundation for his research. He has published over 500 papers in the field of gastrointestinal 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.