Riley, Stephanie M

Dr. Harry Hal Dietz is a professor of pediatrics, an associate professor of medicine and an assistant professor of neurological surgery at the Johns Hopkins University School of Medicine. He is the Victor A. McKusick Professor of Genetics and also serves as the director of the William S. Smilow Center for Marfan Syndrome Research.Recognized as the worlds leading authority on Marfan syndrome, Dr. Dietz conducted genomic mapping and research on therapeutic agents for deficiencies in the genetic protein fibrillin, which is linked to Marfan syndrome. His research contributions have made diagnosis of the condition patient-specific and accurate.He has received more than 50 national and international awards and honors, including the Antoine Marfan Award from the National Marfan Foundation and the Art of Listening Award from the American Heart Association.Dr. Dietz is an ad hoc reviewer for 19 different organizations, including the American Journal of Cardiology, the Archives of Pediatric and Adolescent Medicine, and the Journal of Clinical Investigation. Over more than two decades, Dr. Dietz has mentored 75 predoctoral and postdoctoral researchers. He has authored 282 original publications in peer-reviewed journals, 25 textbook chapters, and 239 abstracts, and has also delivered more than 440 lectures on Marfan syndrome and related genetic disorders.Dr. Dietz completed his B.S. at Duke University and received his M.D. from the SUNY Upstate School of Medicine. He completed a pediatric residency and a cardiology fellowship at Johns Hopkins University before joining the faculty in 1992.

Sonja Rasmussen, MD, MS is Professor in the Department of Genetic Medicine at Johns Hopkins School of Medicine. She joined Johns Hopkins after 4 years at the University of Florida (UF) College of Medicine and College of Public Health and Health Professions where she served as a Professor in the Departments of Pediatrics, Epidemiology, and Obstetrics and Gynecology and as the Director of UF’s Precision Health Program. Before joining University of Florida in 2018, she served for 20 years at the Centers for Disease Control and Prevention (CDC) in Atlanta, where she held several scientific leadership roles. She served in leadership roles during several CDC responses to public health emergencies, including 2009 H1N1 influenza, H7N9 influenza, Middle East Respiratory Syndrome (MERS), and Zika virus. Dr. Rasmussen is an author on >300 peer-reviewed publications and is the lead editor of The CDC Field Epidemiology Manual, released by Oxford University Press in 2019. Her research interests focus on understanding the effects of infections and medications during pregnancy, genetic and environmental risk factors for birth defects, and morbidity and mortality associated with genetic conditions.

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.