Dr. R. Mark Payne received his MD from University of Texas School of Medicine, Houston. He completed his residency in pediatrics, his pediatric cardiology fellowship, and a research fellowship in molecular biology at the Children's Hospital at Washington University School of Medicine, St Louis. He is certified by the American Board of Pediatrics in Cardiology, and is a Fellow of the American Academy of Pediatrics and the American College of Cardiology. Dr. Payne is a tenured Professor of Pediatric Cardiology with a secondary appointment in the Department of Medical and Molecular Genetics. Research in his clinic and laboratory is focused on understanding cardiomyopathies and heart failure in children, and developing new therapies to repair or prevent children's heart disease. He sees children and young adults in his clinic who have congenital heart disease, as well as cardiomyopathies such as Friedreich's Ataxia.