Professor of Medicine
Harvard Medical School
(617) 278-0930
Aaron S. Kesselheim, M.D., J.D., M.P.H. is a Professor of Medicine at Harvard Medical School and a faculty member in the Division of Pharmacoepidemiology and Pharmacoeconomics in the Department of Medicine at Brigham and Women’s Hospital. He is a primary care physician at the Phyllis Jen Center for Primary Care at Brigham and Women’s Hospital. Within the Division, Aaron created and helps lead the Program On Regulation, Therapeutics, And Law (PORTAL,, an interdisciplinary research center focusing on intersections among prescription drugs and medical devices, patient health outcomes, and regulatory practices and the law. PORTAL is now among the largest independent (non-industry-funded) academic centers focusing on these issues in the country. Aaron also serves as a Visiting Professor of Law at Yale Law School, where he teaches a yearly course on Food and Drug Administration Law and Policy, which is also offered at the Yale School of Public Health. He is the editor-in-chief of the Journal of Law, Medicine, and Ethics. In 2020, he was elected to the National Academy of Medicine.