Education and Specialization

• 1981 – Hacettepe University Faculty of Medicine – Medical Education
• 1987 – Karadeniz Technical University Faculty of Medicine – Neurosurgery Residency
• 1989 – Karadeniz Technical University Faculty of Medicine – Assistant Professor
• 1992 – Karadeniz Technical University Faculty of Medicine – Associate Professor
• 1998 – Kocaeli University Faculty of Medicine – Professor

Professional Experience

• 1989–1992 – Trabzon Numune Hospital – Neurosurgery Specialist
• 1989–1992 – Karadeniz Technical University Faculty of Medicine, Department of Neurosurgery – Assistant Professor
• 1992–1994 – Karadeniz Technical University Faculty of Medicine, Department of Neurosurgery – Associate Professor
• 1994–1998 – Kocaeli University Faculty of Medicine, Department of Neurosurgery – Associate Professor and Head of Department
• 1998–2024 – Kocaeli University Faculty of Medicine, Department of Neurosurgery – Professor and Head of Department
• 1997 – Kocaeli University Faculty of Medicine Hospital – Chief Physician
• 2024–Present – Medical Park Pendik – Professor of Neurosurgery

Areas of Expertise

• Endoscopic pituitary surgery
• Endoscopic skull base surgery
• Brain tumor surgery
• Neurovascular surgery
• Microscopic and endoscopic spine surgery

International Experience

• 1993 – The Midland Centre for Neurosurgery and Neurology, Birmingham, United Kingdom – Observer
• Training in syringomyelia with Bernard Williams, M.D.
• Training in stereotactic neurosurgery with Edward R. Hitchcock, M.D.

Clinical Experience

• A total of 6,150 endoscopic cases between August 1997 and December 2024
• 5,020 pituitary adenomas
• 237 Rathke’s cleft cysts
• 175 craniopharyngiomas
• 130 chordomas/chondrosarcomas
• 104 tuberculum sellae meningiomas and other pathologies of the pituitary region

Academic Focus and Selected Publications

• Academic work on endoscopic endonasal and transsphenoidal pituitary surgery, skull base surgery, craniopharyngiomas, chordomas, Cushing’s disease and acromegaly
• Effect of pituitary stalk preservation in endoscopic endonasal surgery for suprasellar craniopharyngiomas: a tertiary center experience – Neurosurgical Focus (2026)
• May the SAGIT® instrument be used as a preoperative prognostic tool in patients with acromegaly? – Minerva Endocrinology (2025)
• Design and use of assistant robotic arm in endoscopic transnasal surgery – Neurosurgical Focus (2024)
• Clinical and therapeutic outcomes of pediatric pituitary adenomas: a single pituitary center experience – Endocrine (2024)
• Endoscopic approach for giant pituitary adenoma: clinical outcomes of 205 patients and comparison of two proposed classification systems – Journal of Neurosurgery (2022)

Professional Memberships

• AANS
• CNS
• Academia Eurasiana Neurochirurgica
• IFNE
• WFNS Skull Base Committee
• Turkish Neurosurgical Society
• Nervous System Surgery Society

Leadership Roles

• 2011–2012 – President, Nervous System Surgery Society
• 2018–2021 – President, Turkish Neurosurgical Society

Awards

• 2016 – Turkish Neurosurgical Society Service Award, 30th Scientific Congress
• 2011 – Kocaeli University Scientific Publication Award, Certificate of Appreciation
• Kocaeli University Rectorate Scientific Publication Award, Certificate of Appreciation