Dr. Urdahl graduated from Concordia College (Moorhead, Minnesota), and earned an MD and a PhD in Microbiology/Immunology from the University of Minnesota. He completed a Pediatrics residency and an Infectious Diseases fellowship at Seattle Children’s Hospital, and his postdoctoral work in Immunology at the University of Washington. He started his career as a primary investigator in the Department of Pediatrics at the University of Washington before joining the Center for Infectious Disease Research in 2010 (formerly known as the Seattle Biomedical Research Institute), which is now part of the Seattle Children’s Research Institute. Dr. Urdahl also continues to be an attending physician in Pediatric Infectious Diseases at Seattle Children’s Hospital.