1. Resident, Division of Neurological Surgery, Barrow Neurological Institute
2. Attending Anesthesiologist, Director of Education, Department of Neuroanesthesiology, Barrow Neurological Institute
3. Attending Neurosurgeon. Director, Barrow Neurological Institute. J. N. Harber Chairman of Neurological Surgery. Professor and Chairman, Division of Neurological Surgery, University of Arizona College of Medicine
4. Attending Neurosurgeon. Chairman, Section of Functional and Stereotactic Neurosurgery. Director, Pain Research Laboratory. Clinical Professor of Surgery (Neurosurgery), University of Arizona, College of Medicine
5. Attending Neurosurgeon. Vice Chairman, Division of Neurological Surgery. Chairman, BNI Spinal Cord Injury Committee. Clinical Professor of Surgery (Neurosurgery), University of Arizona College of Medicine