Karen M. Horton, 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. Katarzyna J. Macura is a professor in the Johns Hopkins Medicine department of radiology and radiological science, a professor of oncology and urology at the Johns Hopkins University School of Medicine, and a member of the Johns Hopkins Kimmel Cancer Center and the Johns Hopkins Precision Medicine Center of Excellence for Prostate Cancer. She is a radiologist consultant for the Prostate Cancer Multidisciplinary Clinic at The Johns Hopkins Hospital in Baltimore, MD. Dr. Macura established a clinical and research prostate imaging program with a focus on magnetic resonance imaging (MRI). Dr. Macura has expertise in cross-sectional body imaging, MRI and prostate cancer, and image-guided biopsies. Dr. Macura earned her medical degree from the Medical University of Lodz in Poland. She completed a residency in diagnostic radiology at the Medical College of Georgia and a fellowship in cross-sectional body imaging at Johns Hopkins University. Prior to arrival at Hopkins in 2000, Dr. Macura completed post-doctoral research in Artificial Intelligence at the University of Georgia in Athens, GA. With a PhD degree in Medical Informatics, she had pioneered early applications of Artificial Intelligence for medical decision support, a domain that is now rapidly expanding owing to the advancement of computer technologies and recent recognition that decision support augments appropriate utilization of medical technologies, provides second opinion systems for improved diagnostics and management, and allows optimization of medical care delivery with the assessment of quality and safety. Dr. Macura is a certified knowledge engineer. Dr. Macura is a member of several national and international radiology organizations. She served as president of the Maryland Radiological Society, the Maryland Chapter of the American College of Radiology (ACR), between 2013 and 2015, as well as president of the American Association for Women in Radiology (AAWR) in 2005. She was a Chancellor on the ACR Board of Chancellors, serving as the Inaugural Chair of the ACR Commission for Women and Diversity, between 2013 and 2019. She served as Vice-President of the ACR 2019-2020. She was named the Outstanding Teacher of the Year by Hopkins Radiology Residents in 2005 and 2021, and received the Resident Mentoring Awards in 2018 and 2024. Dr. Macura was also named the Honored Educator by the Radiological Society of North America in 2012 and 2014. In 2016, she received the "Diamond" Jim Brady Urology Residents teaching award and the AAWR Marie Sklodowska-Curie award. In 2022, she received the Gold Medal from the American College of Radiology. Dr. Macura is a Fellow of the American College of Radiology (FACR), the Society for Advanced Body Imaging (FSABI), and the American Association for Women in Radiology (FAAWR).

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.