Marion L. Walker, MD is Professor of Neurosurgery in the Division of Pediatric Neurosurgery and Adjunct Professor of Pediatrics at the University of Utah and Primary Children’s Medical Center. Dr. Walker is former Chair of the Pediatric Section of the American Association of Neurological Surgeons, the Section on Pediatric Neurosurgery of the American Academy of Pediatrics, and the American Society of Pediatric Neurosurgeons. He also served as President of the International Society of Pediatric Neurosurgery and was a past editor for the Journal of Neurosurgery: Pediatrics.