Is an internationally recognized cardiologist. He is the Jay Michael Sullivan Distinguished Chair in Cardiovascular Medicine at the University of Tennessee Health Science Center and Professor of Adult Cardiovascular Diseases, Professor of Pediatric Cardiology, and Professor of Preventive Medicine. He is the Governor of the Tennessee Chapter of the American College of Cardiology and is the President of the American Heart Association Mid-South region. He is the team cardiologist for the Memphis Grizzlies.