Dr. David O. Okonkwo

Dr. Zenonos became the associate director of the UPMC Center for Cranial Base Surgery in July 2019 after receiving extensive formal subspecialization in his field. He is one of a handful of board-certified neurosurgeons to have completed two fellowships in skull base surgery. At the University of Pittsburgh, one fellowship focused on endoscopic and minimally invasive approaches, and the other centered on complex open skull base approaches. His fellowship at the University of Miami was on complex cranial and cerebrovascular neurosurgery. Dr. Zenonos is rated as a Distinguished provider by MediFind in the treatment of Primary Basilar Impression. His top areas of expertise are Chordoma, Meningioma, Olfactory Neuroblastoma, Gamma Knife Radiosurgery, and Cerebral Artery Bypass Surgery.

Dr. Hamilton received his medical degree and residency training from the University of Virginia in Charlottesville, Virginia. He completed subspecialty complex spine, spinal deformity, scoliosis and spine surgical oncology training with a combined neurosurgical and orthopaedic (AOSpine) fellowships at the University of Virginia. He is board-certified in neurological surgery and a Fellow of the American Association of Neurological Surgeons. Dr. Hamilton is rated as a Distinguished provider by MediFind in the treatment of Primary Basilar Impression. His top areas of expertise are Kyphosis, Scoliosis, Lordosis, Spinal Fusion, and Osteotomy.

Dr. Gardner is the Peter J. Jannetta Endowed Chair of neurological surgery at the University of Pittsburgh School of Medicine and director of the Center for Skull Base Surgery. He specializes in endoscopic endonasal skull base surgery, pituitary tumors, Neuroendoport brain surgery, and vascular neurosurgery. Dr. Gardner is rated as an Elite provider by MediFind in the treatment of Primary Basilar Impression. His top areas of expertise are Chordoma, Pituitary Tumor, Meningioma, Nerve Decompression, and Endoscopic Transnasal Transsphenoidal Surgery.