Professor of Medicine in the Division of Endocrinology at Emory University School of Medicine in Atlanta, Georgia, and the 2022 President of the American Diabetes Association (ADA). 

He is a clinician, scientist and educator who has received numerous teaching awards for Best Clinical Teacher and Mentor at Emory University, and national awards from the American College of Physicians, American Association of Clinical Endocrinologists, Diabetes technology Society, Endocrine Society and the American Diabetes Association. 

His research interests include mechanisms for beta-cell dysfunction in minority populations, prevention of acute and chronic diabetic complications, and hospital management of patients with diabetes and hyperglycemia. He is the author of more than 450 scientific manuscripts and book chapters, and has presented over 400 research abstracts at national and international scientific meetings. He is also the director of the Emory Latino Diabetes Education Program, a nationally accredited Spanish Diabetes education program dedicated to providing diabetes education to Latinos.