Dr. James E. Calvin is a cardiologist whose career has included positions at several universities and medical centers. His early research into cardiac function established several important findings. He has held leadership roles directing coronary care units and critical care services. Dr. Calvin's research has focused on risk stratification and treatment of acute coronary syndromes as well as psychosocial factors and improving quality of care for heart failure patients. Throughout his career, he has combined research, clinical work, teaching, and administrative leadership roles.