Dr. Weiss received both his undergraduate and medical degree from McGill University in Montreal, Canada. He then completed an internship at The Royal Victoria Hospital in Montreal as well as medical residencies at both St. Michael's Hospital in Toronto and Toronto General Hospital. Dr. Weiss then completed a cardiology fellowship at Cedars-Sinai Medical Center in Los Angeles. He has been an active member in medical societies such as American College of Cardiology, American Heart Association, Society for Cardiac Angiography and Interventions, American College of Chest Physicians and American College of Angiology, as well as the Society of Cardiovascular Computed Tomography.