David J. Cohen (@djc795) is Director of Clinical and Outcomes Research at the Cardiovascular Research Foundation, New York, 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 the Health Economics and Technology Assessment Research Group at Saint Luke’s Mid America Heart Institute. Dr. Cohen is an 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.  Dr. Cohen has published more than 500 scientific articles and serves on the editorial boards of numerous journals.