Dr. Marcus received his M.D. from New York Medical College in 1990 and subsequently completed postdoctoral fellowships at Columbia University, College of Physicians and Surgeons in the fields of Circulatory Physiology, Heart Failure, and Cardiac Transplantation, as well as at Yale University School of Medicine in Clinical Cardiology and Nuclear Cardiology. During his early clinical practice in Poughkeepsie, NY he was the founder and director of the Heart Failure Unit and program at Vassar Brothers Medical Center. Dr Marcus was listed in the prestigious Castle Connolly America’s Top Doctors directory from 2006-2009. Outside of his Clinical Practice, Dr. Marcus served a term as Board President of the Dutchess-Ulster County Chapter of the American Heart Association, and was the Medical Director of the NFL Alumni Association Wellness Challenge. He is the Chief Medical Officer and Chairman of the Medical Advisory Board of Cardiovascular Health IQ, Inc. He also sits on the Scientific Advisory Board of Xablecath, Inc. Dr. Marcus is Board Certified in Cardiovascular Disease and Nuclear Cardiology, and is a Fellow of the American College of Cardiology, a Fellow of the American Society for Preventive Cardiology, and a member of the Heart Failure Society of America, the American Medical Association, the National Lipid Association, and is a New York State Trooper PBA Police Surgeon. He is the President of Preventive Cardiology of New York, which he founded in 2015, and is the Medical Director of Bove Spa and Wellness.