According to Wikipedia,
Robert F. Spetzler is a neurosurgeon and the J.N. Harber Chairman Emeritus of Neurological Surgery and director emeritus of the Barrow Neurological Institute in Phoenix, Arizona. He retired as an active neurosurgeon in July 2017. He is also Professor of Surgery, Section of Neurosurgery, at the University of Arizona College of Medicine in Tucson, Arizona.
Robert F. Spetzler is affiliated with the following schools: