Ibrahim Ziyal

Dr. Ibrahim Ziyal is a neurosurgeon at Memorial Göztepe Hospital. He served as Professor and Head of Neurosurgery at Marmara University. Dr. Ziyal has conducted clinical research in the United States and Brazil.

Specialization and Surgical Focus

Dr. Ziyal treats complex neurological conditions requiring surgical precision. He focuses on skull base tumors and performs pituitary surgery. Additionally, he treats cerebrovascular diseases, including aneurysms and arteriovenous malformations (AVM). Dr. Ziyal also performs surgery for cavernomas — abnormal clusters of small blood vessels in the brain or spinal cord.

Professional Experience

• 2025–Present – Neurosurgery Specialist, Memorial Göztepe Hospital, Istanbul
• 2012–2025 – Professor and Head of Neurosurgery, Marmara University
• 2001–2012 – Faculty Member (Assistant Professor to Professor), Hacettepe University
• 1999–2001 – Founding Head of Neurosurgery, Abant İzzet Baysal University
• 1998–1999 – Clinical Researcher in Cerebrovascular Diseases, São Paulo Institute of Neurological Sciences, Brazil
• 1996–1998 – Clinical Researcher in Brain Tumors, George Washington University, USA

Education and Advanced Training

• 1990–1996 – Neurosurgery Residency, Şişli Etfal Hospital, Istanbul
• 1980–1986 – Medical Degree (MD), Trakya University Faculty of Medicine
• Training Course – Skull Base Tumor Surgery and Neuroanatomy, George Washington University
• Training Course – Aneurysm, AVM, and Cavernoma Surgery, São Paulo Institute of Neurological Sciences
• Training Course – Pituitary Surgery, University of Göttingen, Germany

Memberships and Associations

• The American Association of Neurological Surgeons (AANS)
• Congress of Neurological Surgeons (CNS)
• World Federation of Neurological Surgeons (WFNS)
• European Association of Neurological Surgeons (EANS)
• Turkish Neurosurgical Society
• Neuro-Oncology Association