Dr. Gregory Marcus

Gregory Marcus, MD, is a cardiologist and cardiac electrophysiologist who serves as Professor of Medicine in Residence at the University of California, San Francisco. He is the Associate Chief of Cardiology for Research at UCSF Health, leading programs that advance the understanding and treatment of heart rhythm disorders. Clinically, Dr. Marcus focuses on heart rhythm management, advanced catheter ablation and cardiac mapping, and cardiac implantable electronic devices. His research centers on digital and mobile health approaches to cardiovascular research, the influence of lifestyle on cardiac electrophysiology, and the genetic and mechanistic underpinnings of cardiac arrhythmias. He leads the Health eHeart Study and the NIH-funded Eureka platform, serves as an Associate Editor at JAMA, and has been elected to the American Society of Clinical Investigation and the Association of University Cardiologists. His honors include the American Heart Association’s Samuel A. Levine Young Clinical Investigator Award and the Stanford General Internal Medicine teaching award. Dr. Marcus earned his medical degree from the George Washington University School of Medicine, completed internal medicine residency and served as Chief Resident at Stanford University, and pursued fellowships in cardiology and cardiac electrophysiology at UCSF.