Dr. Zaitoun completed his undergraduate degree at Virginia Commonwealth University in Richmond. Subsequently, he completed his medical degree, internship, residency, and fellowship in cardiovascular diseases at the Medical College of Virginia. He completed an interventional cardiovascular fellowship at St. Luke's Medical Center in Milwaukee, WI. He is Board Certified in internal medicine and cardiovascular diseases. He has been practicing cardiology since 1990. Dr. Zaitoun's current practice includes non-invasive, invasive, and interventional cardiology, including peripheral interventions.