Dr. Marieb has been in electrophysiology and arrhythmia practice in Connecticut for over 25 years. He trained in Internal Medicine, Cardiology, and Electrophysiology at Yale University/Yale New Haven Hospital. Subsequently, he joined the Cardiothoracic and Vascular Group, and in 1993 was a founding partner of the Arrhythmia Center of Connecticut, where he worked for 16 years. In 1999, he joined the full time faculty at Yale University School of Medicine, as Associate Professor of Medicine and Clinical Director of Electrophysiology Yale University School of Medicine and Yale New Haven Hospital. He was System Director of Electrophysiology Labs for the Hartford HealthCare Heart and Vascular Institute, and is an Associate Professor in the Department of Medicine at the University of Connecticut School of Medicine. Dr. Marieb is Board Certified in Internal Medicine, Cardiology, and Clinical Cardiac Electrophysiology. He is a Fellow of the Heart Rhythm Society (FHRS), Fellow of the American College of Cardiology (FACC), Fellow of the American Heart Association (FAHA), and a Certified Cardiac Device Specialist (CCDS). He is trained in all aspects of arrhythmia care and interventional cardiac electrophysiology.