Dr. Waller is the Chief Medical Officer of Le Bonheur Children’s Hospital. He also serves as the medical director of Adult Congenital Heart Disease (ACHD) within the Heart Institute at Le Bonheur Children's Hospital and is dual certified by the American Board of Pediatrics with a cardiology subspecialty and an ACHD specialty. He is a professor of Pediatrics at the University of Tennessee Health Science Center.

Dr. Boston is the surgical director of the Heart Transplant and Ventricular Assist Device (VAD) Program, as well as surgical director of Le Bonheur's Adult Congenital Heart Disease (ACHD) Program, within the Heart Institute at Le Bonheur Children's Hospital. He specializes in the surgical care of infants, children and young adults with complex congenital heart disease and in mechanical circulatory support and heart transplantation of infants, children and young adults with all forms of heart failure, whether caused by heart muscle disease or complex congenital heart disease. Dr. Boston is a professor at the University of Tennessee Health Science Center.

Dr. Hendrickson is an associate professor with the University of Tennessee Health Science Center and the Le Bonheur Children's Hospital Heart Institute. He completed a fellowship in Pediatric Cardiology at the University of California, Los Angeles Mattel Children's Hospital followed by a fellowship in Adult Congenital Heart Disease at the Ohio State University Medical Center and Nationwide Children's Hospital. He is Board Certified by the American Board of Pediatrics with a cardiology subspecialty, by the American Board of Internal Medicine with a cardiology subspecialty and by the American Board of Internal Medicine with a subspecialty in Adult Congenital Heart Disease.

Dr. Guerrier is director of the Cardiac Electrophysiology (EP) Program and also directs the cardiac rhythm device management, pacemakers and automatic external defibrillators (AEDs) at Le Bonheur. She also is an interventional electrophysiologist with advanced training in this subspecialty. She completed her training in pediatric cardiology and pediatric electrophysiology at Cincinnati Children's Hospital Medical Center. Dr. Guerrier is certified by the American Board of Pediatrics with a cardiology subspecialty. She is an associate professor with the University of Tennessee Health Science Center.

Ryan Stephens is a nurse practitioner for the Adolescent-Adult Congenital Heart Disease (AACHD) Program at Le Bonheur Children's Hospital and a faculty member of the University of Tennessee Health Science Center College of Nursing. Stephens is also the primary nurse practitioner for Adolescent Cardiology, Sports and Exercise Cardiology and directs the Transition Education Clinic (TEC) for patients moving from pediatric cardiac care to adult congenital cardiac care.