- Professor & Chair, Neurological Surgery
- Lois C.A. and Darwin E. Smith Distinguished Chair in Neurological Surgery
- Vice Chair of Research, Neurological Surgery
- Associate Professor, Neurological Surgery
- Duke Samson Chair in Neurological Surgery
- Professor of Neurosurgery and Radiology
- Vice Chair of Clinical Operations
- Co-Director Rogers Comprehensive Stroke Center
- Medical Director, Neurosurgery Cranial Clinic
- Vice Chair of Quality, Neurological Surgery
- Professor of Neurological Surgery & Pediatrics
- Professor, Neurological Surgery & Radiology
- Director of the Neurological Surgery Residency Training Program
- Birsner Family Professorship in Neurological Surgery
