James A. Reiffel James A. Reiffel, MD, FACC, FAHA, FHRS, FACP, is Professor Emeritus of Medicine at Columbia University. He is a cardiologist who, despite his retirement as a full-time faculty member, remains actively involved in medical teaching, research, and publishing. Prior to retiring, Dr. Reiffel also had a consultative clinical practice for more than 40 years. Dr. Reiffel has over 500 publications related to cardiac dysrhythmias; has been an invited lecturer at many hundreds of programs and institutions worldwide; and is still an active investigator re: the optimum management of patients with atrial fibrillation and flutter and the development of new antiarrhythmic and anticoagulant pharmaceuticals. Dr. Reiffel lives in Jupiter Florida. He is a graduate of Duke and Columbia Universities, and a philanthropic supporter of each. He is Chair, Circle of 100 and sits on the Development Committee.