Sonja A. Rasmussen, MD

Dr. Ilana Zinn is a craniofacial orthodontist in the Johns Hopkins Medicine Department of Plastic and Reconstructive Surgery. Her areas of clinical expertise include nasoalveolar molding, interceptive orthodontics and comprehensive orthodontics for children with craniofacial anomalies. Dr. Zinn received an undergraduate degree in biology from Stern College at Yeshiva University. She earned her doctorate of medicine in dentistry from Rutgers School of Dental Medicine and a Master of Science and certificate in orthodontics and dentofacial orthopedics from the University of Detroit Mercy School of Dentistry. She completed a fellowship in cleft-craniofacial and special care orthodontics at the University of Pittsburgh Medical Center Children’s Hospital of Pittsburgh, and became a member of the Johns Hopkins faculty in 2019. Prior to joining Johns Hopkins, Dr. Zinn was a clinical instructor in the Division of Pediatric Dentistry at the Children’s Hospital of Pittsburgh. Dr. Zinn has served in various volunteer and teaching capacities and has received numerous awards. She is a member of the American Association of Orthodontists and the American Cleft Palate-Craniofacial Association.

Dr. Tao Wang is an associate professor of pediatrics at the Johns Hopkins University School of Medicine. His areas of clinical expertise include global developmental delays and intellectual disability neurobehavioral disorders in children, and genetic and genomic syndromes and inborn errors of metabolism. Dr. Wang earned his M.D. from Zhongshan Medical University in China and a Ph.D. in human genetics from Johns Hopkins University. He completed his residency in pediatrics at Tufts -New England Medical Center Hospitals and performed fellowships in clinical genetics at Johns Hopkins University School of Medicine and clinical biochemical genetics at Kennedy Krieger Institute. His research interests include x-linked intellectual disabilities (XLID), autism spectrum disorders (ASDs) and inborn errors of metabolism of the central nervous system.Dr. Wang is the associate director of the Medical Genetics Residency and Fellowship Program and a preceptor in the Predoctoral Training Program in Human Genetics.

Dr. Jill A. Fahrner is an assistant professor in the Departments of Genetic Medicine and Pediatrics at the Johns Hopkins University School of Medicine. Her area of clinical expertise is medical genetics. Dr. Fahrner earned her Ph.D. from Johns Hopkins University and her M.D. from the University of North Carolina. She completed pediatrics residency training at Duke University Medical Center. She joined the McKusick-Nathans Institute of Genetic Medicine as a genetic medicine resident in 2009 and completed her training in 2012. She stayed on as chief resident from 2012-2013 and then joined the faculty as an assistant professor in the Department of Pediatrics within the McKusick-Nathans Institute of Genetic Medicine in 2013. Her current primary appointment is Assistant Professor in the Department of Genetic Medicine, where she is Director of the multidisciplinary Epigenetics and Chromatin Clinic.She is a physician-scientist with a long-standing interest in epigenetic mechanisms of disease. Her clinical focus is on caring for individuals with epigenetic and chromatin disorders, specifically Mendelian disorders of the epigenetic machinery, or chromatin modifying disorders. She has seen hundreds of individuals with congenital disorders involving disrupted epigenetics, most of which exhibit neurodevelopmental disabilities and abnormal growth. Her laboratory research is focused on understanding disease mechanisms and developing therapies for select Mendelian disorders of the epigenetic machinery.She is a member of the American Society of Human Genetics (ASHG), having won an ASHG Reviewer’s Choice Abstract Award for her work on growth retardation in Kabuki syndrome 1. She has received a Johns Hopkins School of Medicine Clinician Scientist Award, a Johns Hopkins School of Medicine Musculoskeletal Pilot and Feasibility Award, a William and Ella Owens Medical Research Foundation Award, the Margaret Ellen Nielsen Fellowship Award, and the Alice and YT Chen Travel Award while at Johns Hopkins. She is the recipient of a prestigious Hartwell Foundation Individual Biomedical Research Award and also has ongoing research funding from the National Institutes of Health.