Dr. Robert M. Friedlander

Dr. Gross is an assistant professor in the Department of Neurological Surgery at the University of Pittsburgh School of Medicine. Dr. Gross specializes in cerebrovascular neurosurgery for the treatment of brain and spinal cord vascular disorders such as aneurysms, arteriovenous malformations, arteriovenous fistulas, and cavernous malformations. His other clinical interests include embolization of brain and spinal cord tumors; cervical, intracranial, and venous stenting; and revascularization for acute ischemic stroke. Dr. Gross’ research is concentrated in cerebrovascular neurosurgery; he has written over 100 peer-reviewed articles and book chapters. His interests include natural history, treatment approaches and outcomes research in the management of aneurysms and vascular malformations of the neuraxis. Dr. Gross graduated Summa Cum Laude and Phi Beta Kappa from Northwestern University with a degree in chemistry and earned his medical degree at the Northwestern University Feinberg School of Medicine. He completed his neurosurgery residency at Brigham and Women’s Hospital/Boston Children’s Hospital/Harvard Medical School. He went on to complete an endovascular fellowship at the Barrow Neurological Institute. Bradley Gross, MD, specializes in neurosurgery and is certified by the American Board of Neurological Surgery. He practices at University of Pittsburgh Physicians, Department of Neurosurgery and is affiliated with UPMC Presbyterian, UPMC Mercy, UPMC Children's Hospital of Pittsburgh, and UPMC Shadyside. He completed his fellowship at Barrow Neurological Institute, residency at Brigham and Women's Hospital, and medical education at Northwestern University. Dr. Gross is rated as an Elite provider by MediFind in Carotid Artery Surgery. His top areas of expertise are Arteriovenous Malformation, Brain Aneurysm, Stroke, Thrombectomy, and Stent Placement.

Michael J. Lang, MD, joined the University of Pittsburgh School of Medicine in 2019 as a vascular and endovascular neurosurgeon who specializes in treatment of vessel diseases of the brain, including: aneurysms, stroke, carotid artery stenosis, arteriovenous malformations and fistulas, cavernomas, and intracerebral hemorrhage. He performs both minimally invasive endovascular and traditional open and skull base surgery, allowing a comprehensive approach in the treatment of cerebrovascular disease. He also has subspecialty training in functional and epilepsy neurosurgery. Dr. Lang is rated as an Advanced provider by MediFind in Carotid Artery Surgery. His top areas of expertise are Brain Aneurysm, Stroke, Subarachnoid Hemorrhage, Transmyocardial Revascularization, and Stent Placement.

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 Carotid Artery Surgery. His top areas of expertise are Chordoma, Meningioma, Olfactory Neuroblastoma, Gamma Knife Radiosurgery, and Cerebral Artery Bypass Surgery.