Hisar Hospital Intercontinental
Dr. Engin Cakar is a professor and rehabilitation specialist at Memorial Göztepe and Memorial Şişli Hospitals. He specializes in pain medicine, electrodiagnostic neurology, and stroke rehabilitation. Dr. Cakar chair’s the Brain Stimulation and Neurorestoration Working Group. He completed training in brain stimulation at Harvard Medical School.
Dr. Ibrahim Ziyal is a neurosurgeon at Memorial Göztepe Hospital in Istanbul (2025–present). He was Professor and Head of Neurosurgery at Marmara University (2012–2025). Earlier, he held faculty roles at Hacettepe University (2001–2012). He was the Founding Head of Neurosurgery at Abant İzzet Baysal University, Düzce (1999–2001). He also worked as a clinical researcher in brain tumors at George Washington University (1996–1998). He then focused on cerebrovascular diseases at the São Paulo Institute of Neurological Sciences (1998–1999).
Expertise: skull base tumors, pituitary surgery, and aneurysm/AVM/cavernoma surgery. Neurosurgery training: Şişli Etfal Hospital. MD: Trakya University. Memberships: Turkish Neurosurgical Society, Neuro-Oncology Association, AANS, CNS, WFNS, EANS.