Our Specialists

Randall W. Porter, MD
Director, Interdisciplinary Skull Base Program
Co-Director, CyberKnife
Co-Director, Acoustic Neuroma Center

Peter A. Weisskopf, MD, FACS
Head, Neurotology Section
Gamma Knife and CyberKnife Stereotactic Radiosurgery Teams
Co-Director, Acoustic Neuroma Center
Skull Base Team

David Brachman, MD
Chairman, Radiation Oncology
Co-Director, Gamma Knife Center

Mark J. Syms, MD
CyberKnife Stereotactic Radiosurgery Team
Co-Director, Acoustic Neuroma Center
Skull Base Team

Vinodh Narayanan, MD
Co-Director, Pediatric Neurogenetics Center
Director, Neurofibromatosis Clinics
Director, Developmental Neurogenetics Lab
Acoustic Neuroma Team

Andrew Shetter, MD
Director, Pain and Stereotactic Neurological Program
Co-Director of the Gamma Knife Center
CyberKnife Stereotactic Radiosurgery Team
Acoustic Neuroma Team
Skull Base Team
Clinical Associate Professor of Surgery, University of Arizona College of Medicine, Tucson, Arizona
Chairman, Section of Functional Stereotactic Neurosurgery

Robert F. Spetzler, MD
Neurosurgery – Medical Director
Director, Barrow Neurological Institute
J.N. Harber Chair of Neurological Surgery
Barrow Acoustic Neuroma and Skull Base Teams
Chairman and President, Barrow Neurological Associates
Professor of Surgery, Section of Neurosurgery, University of Arizona College of Medicine, Tucson, Arizona

Kris Smith, MD
Medical Director, Gamma Knife Center
Neurosurgeon