Dr. Nahas received his medical degree at St. Joseph University in Beirut, Lebanon in 1983. He completed his training in cardiovascular and thoracic surgery at Baylor College of Medicine with Dr. Michael DeBakey. Prior to his current position, Dr. Nahas was a full time faculty member at Baylor College of Medicine, and was chief of the cardiac surgery at the Houston VA Hospital. He is a member of the American College of Surgeons, The Society of Thoracic Surgeons, The International Society for Minimally Invasive Cardiothoracic Surgery, and the Southern Thoracic Surgical Association.