A headshot of a smiling man with short dark hair and brown eyes. He is wearing a white lab coat.

Jeffrey Leonard, M.D. is Chief of Neurosurgery at Nationwide Children’s Hospital and Professor of Neurosurgery at the Ohio State College of Medicine. He did his training in Neurosurgery at Washington University. He also completed a fellowship in pediatric neurosurgery there in 2003 before joining the faculty where he spent the next 11 years. During that time, he served as Co-Director of the Pediatric Neurocritical Care Program and a Co-Director of the Neuro-Oncology Program at St. Louis Children’s Hospital.

While at Washington University, he maintained a lab studying the genetics of pediatric low-grade gliomas, and he ran the brain tumor bank for St. Louis Children’s Hospital. He has published over 100 published papers focused mainly on pediatric neuro-oncology.

Recently, he moved to Columbus where he has continued his research in pediatric brain tumors. He has recently been named the Robert F & Edgar T. Wolfe Foundation Endowed Chair in Neurosurgery. He has served on multiple governmental grant review committees and is co-director of neuro-oncology at Nationwide Children’s Hospital. His clinical interests include pediatric neuro-oncology, spasticity, and spine trauma in the pediatric population.