Henry R. Halperin, MD

Dr. Ann O'Shea Scheimann is an associate professor of pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include pediatric gastroenterology, nutrition and pediatric liver disease including cholestatic liver disease and fatty liver disease. Dr. Scheimann received her B.S. from the University of Dayton. She earned her M.D. from the University of Cincinnati College of Medicine and her M.B.A. from Johns Hopkins. She completed her internship and residency in pediatric medicine and a fellowship in pediatric gastroenterology at the Baylor College of Medicine. In 2000, she joined the Johns Hopkins faculty in pediatrics, where her research focuses on non-alcoholic fatty liver disease, obesity and Prader-Willi syndrome. Prior to joining Johns Hopkins, Dr. Scheimann was an assistant professor of pediatrics at Baylor College of Medicine. In 2005, she developed Weigh Smart, a comprehensive pediatric weight management program funded by the Johns Hopkins Children’s Center, Mt. Washington Pediatric Hospital, and the University of Maryland. She currently serves as the chair of the Pediatric Nutrition Advisory Committee at Johns Hopkins Children's Center. Dr. Scheimann serves on the editorial boards of Pediatrics and Therapeutics, World Journal of Gastroenterology and World Journal of Hepatology. She has received numerous awards and including a grant from the Mt. Washington Pediatric Foundation to start the Weigh Smart program. She has received research support from Agencies including the National Institutes of Health, Foundation for Prader-willi Research and Prader-willi Syndrome Association. She is a member of several professional organizations, including the American Association for the Advancement of the Study of Liver Disease, Obesity Society and the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition.

Benjamin Barnes is a pediatric cardiologist specializing in fetal cardiology and fetal echocardiography in Baltimore, Maryland. Dr. Barnes was born at The Johns Hopkins Hospital, which is where he also completed his residency in pediatrics and fellowships in pediatric cardiology and pediatric advanced cardiac imaging prior to joining the pediatric cardiology team in 2019. He earned his medical degree from Chicago Medical School.