Stacy L. Cooper, MD

Dr. David Valle is a professor of pediatrics and ophthalmology at the Johns Hopkins School of Medicine and former director of the Johns Hopkins Department of Genetic Medicine. He also serves as a geneticist for the Johns Hopkins Children’s Center.Dr. Valle holds a bachelor’s degree and medical degree from Duke University. He completed a pediatric residency at Johns Hopkins University before joining the Johns Hopkins faculty. He is interested in the genetic contributions to health and disease. He is the founding director of the Johns Hopkins Center for Inherited Disease Research. Over the years, his laboratory has discovered the genetic causation for more than 20 diseases, including those responsible for inborn errors of metabolism, inherited retinal degeneration, disorders of cellular organelle biogenesis and genetic variations that contribute risk for common disorders such as schizophrenia.Dr. Valle also serves as director of the Predoctoral Training Program in Human Genetics, as well as co-director of the Genes to Society program. He was a 2014 recipient of the annual Victor A. McKusick Leadership Award from the American Society of Human Genetics, which recognizes individuals whose professional achievements have fostered and enriched the development of human genetics as well as its assimilation into the broader context of science, medicine and health.

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.

Karen M. Horton, M.D., is a Professor of Radiology and the Chair of Radiology for the Russell H. Morgan Department of Radiology and Radiological Science. Dr. Horton’s clinical and research focus is on abdominal CT imaging, 3D imaging of the gastrointestinal tract and the mesenteric vessels, and virtual colonoscopy. She has published over 170 scientific papers, numerous book chapters and was the Johns Hopkins principle investigator in the National CT Colonography Trial. Dr. Horton graduated summa cum laude from the University of Notre Dame in 1988. She attended the Johns Hopkins University School of Medicine, graduating in the top 10 percent of her class and was inducted into the AOA honor society. After completing a radiology residency and a fellowship in cross-sectional imaging at Johns Hopkins, Dr. Horton joined the radiology faculty as an assistant professor in 1998. Dr. Horton was promoted to Associate Professor in 2002, and in 2008 became the 144th female to be promoted to Professor at Johns Hopkins. In 2009, Dr. Horton assumed the role of Johns Hopkins Radiology Residency Program Director. During her more than four years as program director, the residency program was ranked #1 by Aunt Minnie twice and #4 by Doximity. During her tenure, in addition to making significant improvements to the residency curriculum, she increased diversity by recruiting more women and underrepresented minorities. From 2013 to 2014, Dr. Horton served as Acting Chair of the Department of Radiology at the Johns Hopkins Bayview Medical Center. Dr. Horton established subspecialty divisions and more fully integrated the Johns Hopkins Bayview Medical Center and The Johns Hopkins Hospital radiology divisions. She is a member of the Johns Hopkins Kimmel Cancer Center. Dr. Horton has held numerous leadership positions within the Department of Radiology and Radiological Science, including Vice Chair of Operations in 2014, Executive Vice Chair in 2015, Interim Chair in 2016-2017.