J. Larry Jameson is President and Trustees University Professor at the University of Pennsylvania, having served as President since March 2025 after more than a decade as Dean of the Perelman School of Medicine and Executive Vice President of Penn’s Health System. A physician-scientist specializing in endocrinology, his research has focused on the genetic basis of hormonal disorders, with more than 350 scientific publications and contributions as an editor of Harrison’s Principles of Internal Medicine. He previously served as Dean of Northwestern University’s Feinberg School of Medicine and is a member of the National Academy of Medicine and the American Academy of Arts and Sciences.