Dr. Narayan, chair and professor of neurosurgery at Zucker School of Medicine, came to Northwell from the University of Cincinnati College of Medicine and the Mayfield Clinic, where he was the Frank H. Mayfield Professor and Chairman of Neurosurgery. Prior to that, he was chair of the Department of Neurosurgery at Temple University School of Medicine in Philadelphia. Dr. Narayan also served on the faculty of Baylor College of Medicine, Houston.