His research focuses on genetic causes of bicuspid aortic valves and related congenital abnormalities involving the left ventricular outflow tract and aorta. This work is supported in part by grants from the National Institutes of Health. His clinical specialty is cardiovascular medicine and aortic imaging. He co-directs the Turner Syndrome Adult Comprehensive Care Center and the Multidisciplinary Aortic and Vascular Disease Clinic in the UT Professional Building.