Memorial Şişli Hospital
Professor Dr. Engin Cakar is a specialist in Physical Medicine and Rehabilitation, Algology (Pain Medicine), and Electrodiagnostic Neurology. He practices at Memorial Göztepe and Memorial Şişli Hospitals. He previously held posts at Medipol Mega University Hospital and GATA Haydarpaşa Training Hospital.
Titles and training: Professor (2016). Associate Professor (2011). Algology specialty, Ministry of Health Medical Specialization Board–GATA (2011). Electrodiagnostic Neurology, Marmara University (2007–2010).
Publications: 40 international and 17 national peer-reviewed articles. Presentations: 17 international and 12 national. He has also written many book chapters. Memberships: European Society of PRM; Turkish PM&R; Turkish Algology; Turkish Clinical Neurophysiology (EEG–EMG). He chairs the Brain Stimulation and Neurorestoration Working Group.
Further training: Harvard Medical School—Transcranial Magnetic Stimulation and Direct Current Stimulation. He has given many invited lectures and attended many congresses.
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.