He then served as assistant professor of Medicine at Baylor College of Medicine and Director of the Cardiac Catheterization Laboratory at the Debakey VA Medical Center in Houston, Texas. He is currently the Chairman of the Department of Cardiology and the Board of Trustees of HCA Healthcare, Clear Lake, Texas.
Dr. Ali has focused his energies on interventional cardiology. His approach developed, in large part, because Ali was disenchanted by what mainstream medicine had to offer for management of obesity, diabetes, high cholesterol and high blood pressure. Instead, he has focused his efforts to ameliorate heart disease, diabetes and obesity through diet and lifestyle interventions in his large clinical practice.