John Michael Gaziano MD, MPH

Dr. Gaziano is a preventive cardiologist and internationally recognized chronic disease epidemiologist whose research interests include the epidemiology of chronic diseases using large data sources. He has a particular interest in the lifestyle, metabolic, biochemical, and genetic determinants of common chronic diseases such as cardiovascular disease and cancer.

A centerpiece of his research involves the conduct of observational studies and trials that are embedded in a health care system and the curation of electronic health data from many sources. He serves as one of two PIs of the Million Veteran Program (MVP), a project that will enroll one million veterans into a longitudinal cohort with stored biospecimens, self-reported data, and the rich electronic clinical and administrative data available in the VA. To date over 650,000 veterans have been enrolled into MVP. He is the principal investigator of the Physicians' Health Study, a large-scale trial-based cohort of over 29,000 physicians followed for over 30 years. He has also served as PI, Co-PI, or co-investigator on a number of other cohort studies and large-scale trials. He serves on advisory committees for the Precision Medicine Initiative and the UK Biobank.

Dr. Gaziano oversees several fellowship programs and teaches advanced epidemiology at the Harvard School of Public Health. He has published over 600 journal articles, reviews, book chapters, and books. He has also served as an Associate Editor for the Journal of the American Medical Association. He is a Fellow of the Royal College of Physicians.