Christina Johns, MD is an Assistant Professor of Pediatrics and Emergency Medicine at the George Washington University School of Medicine and Health Sciences, and an attending physician at Children's National Medical Center. Dr. Johns received her undergraduate degree from the University of Pennsylvania and her M.D. from The Johns Hopkins School of Medicine. She is both a mother and stepmother to five children and lives with them and her husband in Annapolis, Maryland.

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Ticia Ryan, MD is an Assistant Professor of Pediatrics and Emergency Medicine at the George Washington University School of Medicine and Health Sciences, and an attending physician at Children's National Medical Center. Dr. Ryan graduated cum laude from Providence College with an undergraduate degree in biology and received her M.D. with honors from the University of Vermont College of Medicine. She is the mother of two toddlers and lives with them and her husband in Silver Spring, Maryland..