David J. Cohen, MD, MSc is currently Director of Clinical and Outcomes Research at the Cardiovascular Research Foundation (New York, NY) and Director of Academic Affairs at St. Francis Hospital (Roslyn, NY). Previously, he was Professor of Medicine at the University of Missouri–Kansas City and Director of Cardiovascular Research and Medical Director of Health Economics and Technology Assessment at Saint Luke’s Mid America Heart Institute. Heart Institute where he continues to direct the Health Economics and Technology Assessment Group. Dr. Cohen earned his M.D. at Harvard Medical School and his Master's degree in Health Policy at the Harvard School of Public Health. He did his clinical training at Brigham and Women's Hospital and was a clinical and research fellow in cardiology at Beth Israel Hospital for five years. Dr. Cohen is a practicing interventional cardiologist with a focus on structural and valvular heart disease. His research focuses on the application of formal cost-effectiveness methodology to novel interventions for cardiovascular disease (CVD), the extension of traditional cardiovascular outcomes research to include patient-centered outcomes, and the development and evaluation of instruments for assessing CVD patients’ health status and preferences. He is also active in research to determine the short- and long-term outcomes of new devices for percutaneous coronary revascularization and identifying the optimal target populations and techniques for these devices. Dr. Cohen has published more than 500 original articles in leading journals, including the New England Journal of Medicine, Lancet, JAMA, Circulation, and the Journal of the American College. Dr. Cohen serves on the editorial board for the American Heart Journal, JACC Interventions, and Circulation and reviews for the American Journal of Cardiology, Journal of the American College of Cardiology, New England Journal of Medicine, JAMA, and Medical Decision Making.