Uzm. Dr. Erkan Göcen is a Radiation Oncology Specialist at Çerkezköy Private Optimed Hospital (Optimed Health Group). He graduated from İstanbul University, İstanbul Faculty of Medicine (Çapa) in 2003.

Career: He trained and practiced in Radiation Oncology from 2010 to 2012. He worked in public and private health institutions from 2012 to 2016. He served in the private medical sector as a Radiation Oncology Specialist from 2016 to 2023. He has been at Optimed Hospital since 2024.

Clinical interests: cancers of the brain, head and neck, esophagus, stomach, colorectal, pancreas, prostate, bladder, lung, soft tissues (sarcomas), skin, uterus and cervix, and breast. Affiliations: Turkish Society for Radiation Oncology (TROD) and Tekirdağ Medical Chamber. Languages: English and Turkish.

The doctor is a highly experienced neurologist with a focus on diagnosing and treating a wide range of neurological disorders. With over 15 years of clinical experience, the doctor has contributed to numerous research studies and has been published in several prestigious medical journals. The doctor has been recognized for innovative approaches in patient care and has received multiple awards for excellence in neurology. Additionally, the doctor is board-certified and actively participates in continuing medical education to stay updated with the latest advancements in the field.

Professor Raanan Berger, MD PhD, is a medical oncologist and radiotherapist. He is Director of the Cancer Center at Sheba Medical Center and heads its clinical research unit. He was listed in Forbes Israel’s “Best Doctors” (2025). He leads the genitourinary oncology program with a focus on prostate cancer. His care includes systemic therapy and radiotherapy in a multidisciplinary, patient-centered model.

He is board-certified in oncology. He earned his MD and PhD at Tel Aviv University and completed his clinical training at Sheba. He then completed a postdoctoral fellowship at Dana-Farber/Harvard, focusing on prostate cancer with Dr. Philip Kantoff and molecular oncology in Dr. William C. Hahn’s lab. He is a member of ESMO and ASCO. He has co-authored more than 20 peer-reviewed papers, including studies on outcomes in high- versus very high-risk prostate cancer and on BRCA1/2 in large cohorts.

Dr. Ulvi Samadzade is a neurologist with training from Azerbaijan State Medical University, Gazi University, and Dokuz Eylul University Hospital. He diagnoses and treats neurological disorders such as Alzheimer’s disease, epilepsy, movement disorders, stroke, migraine, and multiple sclerosis.

Dr. Samadzade uses advanced treatments, including botulinum toxin injections, intravenous immunoglobulin (IVIG) therapy, migraine vaccines, and plasmapheresis. He practices at İzmir University of Economics Medical Point Hospital.

He is a member of several professional organizations. These include the Multiple Sclerosis Research Association, Turkish Neurological Society, European Academy of Neurology, and the International Parkinson and Movement Disorder Society (MDS).

Dr. Ela Simay Zengin is a neurologist. She completed her medical training at Dokuz Eylül University, Başkent University, and Acıbadem University. She has worked at Bitlis Tatvan, Sirnak, and Cizre State Hospitals.

Dr. Zengin treats Alzheimer’s disease, epilepsy, migraines, multiple sclerosis, Parkinson’s disease, and stroke. She uses advanced treatments, including apomorphine pump therapy, botulinum toxin injections, and migraine vaccines.

She is a member of the Turkish Neurology Association, American Academy of Neurology, European Academy of Neurology, and International Parkinson and Movement Disorder Society.

Op. Dr. Tansu Gürsoy is a brain and nerve surgery specialist at Çerkezköy Private Optimed Hospital. He completed his training at Ankara Training and Research Hospital. His practice focuses on spine surgery. Key areas include degenerative scoliosis, herniated discs, spinal stenosis, trauma, and tumors.

In 2019, he won third place from the Turkish Neurosurgery Association for a paper on prebending rods and sagittal parameters in lumbar degenerative scoliosis. He co-authored Chapter 75 (Lenke-Silva Classification & Adult Degenerative Scoliosis) in The Aging Spine. His thesis analyzed screw malposition in 415 thoracolumbar pedicle fixation cases.

He is a member of the Turkish Neurosurgery Association (Spinal & Peripheral Nerve Surgery Group), the Turkish Spine Association, and the Turkish Medical Association. He completed the Advanced Spinal Surgery Course and the Hands-on Microvascular Anastomosis & Microsurgery training. He holds a Category A Certificate for Experimental Animals. He also attends major spine congresses.

Professor Jair Bar, MD, PhD, is a thoracic oncologist and Deputy Director of the Cancer Center at Sheba Medical Center. He leads the Thoracic Oncology Unit. He treats lung cancer, including advanced non-small cell cases. His care includes medical oncology, radiotherapy, immunotherapy, and targeted therapy.

He runs a translational research lab focused on resistance to immunotherapy. He has published on exhaled-breath cancer metabolism and on angiogenesis inhibition in lung cancer.

He has chaired the Israel Lung Cancer Group since 2003. He is a member of the Israel Society of Clinical Oncology and Radiotherapy, the American Society of Clinical Oncology, and the American Association for Cancer Research. He is board-certified in Medical Oncology and Radiotherapy Oncology. He is a Senior Lecturer at Tel Aviv University.

Somjet Tosamran, MD, is a neurologist. Dr. Tosamran is a fellow in epilepsy at the Neurology Division, Department of Medicine, King Chulalongkorn Memorial Hospital, Bangkok, Thailand (2024–present). Dr. Tosamran completed a neurology residency at the same hospital (2021–2024). Earlier training includes internships at Charoenkrung Pracharak Hospital and Sakaeo Crown Prince Hospital.

Accreditations and education: Neurologist certification, King Chulalongkorn Memorial Hospital (2024). Master of Science in Internal Medicine, Faculty of Medicine, Chulalongkorn University (2024). Doctor of Medicine, First Class Honors, Faculty of Medicine, Chulalongkorn University (2018).

Dr. Tara Rak-areekul is a neurologist focused on cognitive neurology. She is a fellow at King Chulalongkorn Memorial Hospital. She completed her neurology residency there and served as Chief of Academic in 2023. She holds an MD from Chulalongkorn University (Second Class Honors) and a Higher Graduate Diploma in Clinical Sciences. She is certified in NIHSS (2022) and the Thai Stroke Society Acute Stroke Treatment Course.

Key achievements include first rank in the National Formative Neurological Exam (2023). She won the Epilepsy Quiz Tournament (2023). She was first runner-up at the Neurology Tournaments at NST Midyear 2023 and the Chula Neuroscience Forum 2022. Her research includes AAIC poster presentations (2024, 2025). Ongoing work covers Alzheimer’s biomarkers (MDS‑OAβ and p‑tau217), the Thai clinical adaptation of HippoCamera, and a chapter on behavioral and psychological symptoms of dementia (BPSD).

Dr. Buse Cagla Ari, MD, is an Associate Professor of Neurology. She specializes in Parkinson’s disease and other movement disorders, headache disorders, sleep disorders, and dementia. She works at Istanbul Medipol University and the Parkinson’s Disease and Movement Disorders Center (PARMER). She previously served as an Assistant Professor at Bahcesehir University.

Her research focuses on Parkinson’s disease biomarkers, cognition, uric acid and cholesterol associations, restless legs syndrome, and complex headaches. This includes a 13-patient case series. She has published 15 international and 4 Turkish papers and 5 book chapters. Her work has 147 citations on Google Scholar (h-index 5) and 91 citations on Web of Science (h-index 5).

She is a member of the International Parkinson and Movement Disorders Society, the International Headache Society, and the Turkish Parkinson’s Disease Society. She serves as a peer reviewer for SAGE Open Medical Case Reports, BMC Neurology, and Parkinsonism & Related Disorders.

Naphat Sirinimnualkul, M.D. (Dr. Ken), is a psychiatrist and clinical instructor at the Excellence Center for Sleep Disorders, King Chulalongkorn Memorial Hospital (2022–present). He previously served as a psychiatrist and clinical instructor at the General Police Hospital (Aug–Dec 2021). He completed his psychiatry residency at Chulalongkorn University (2018–2021).

Board/education: Diploma, Board of General Psychiatry, Thai General Medical Council (2018–2021). Graduate Diploma in Clinical Sciences (Psychiatry), Chulalongkorn University (2018–2021). M.D., Second Class Honors, Chulalongkorn University (2011–2017). Training: Cognitive Behavioral Therapy for Insomnia.

Expertise: sleep medicine, neuropsychiatry, consultation-liaison psychiatry, and psychopharmacology. He focuses on the interface between sleep and mood disorders.

Dr. Alper Karaoglan is a Professor of Neurosurgery at Memorial Bodrum Hospital. He has many years of experience in neurosurgery. He worked at Maltepe University Faculty of Medicine and Taksim Training and Research Hospital in Istanbul. Since 2008, he has held the positions of Professor, Associate Professor, and Assistant Professor in neurosurgery.

Dr. Karaoglan is a member of the Turkish Medical Association and the Turkish Neurosurgical Society. He has received several awards. These include the Best Paper Award at the Turkish Neurosurgical Society Scientific Congress in 2005 for his research on resveratrol’s protective effects after subarachnoid hemorrhage, and the Young Neurosurgeon Encouragement Award in 2008.

Prof. Elad Jacoby, MD, heads the Pediatric Cell Therapy Center at Sheba Medical Center. He is the Medical Director of the Advanced Biotherapy Center. He is a pioneer of pediatric CAR T‑cell therapy in Israel. He led one of the first national leukemia programs. He has almost 20 years of clinical and research experience.

He specializes in CAR T‑cell therapy, bone marrow and stem cell transplantation, and high‑risk pediatric leukemias and lymphomas. He leads international clinical trials and has authored over 240 publications. His collaborations include Johns Hopkins Hospital and the U.S. National Cancer Institute. He is an Associate Professor at Tel Aviv University. He received his MD from Tel Aviv University, completed residency at Sheba Medical Center, and fellowships at Johns Hopkins and the National Cancer Institute. He is board‑certified in Pediatrics and in Pediatric Hematology and Oncology. He serves on the IBFM CAR T‑Cell Taskforce and the Sheba Institutional Review Board. He leads the integration of CAR T‑cell therapy with transplantation.

Dr. Shady Mohammed El‑sebai is an interventional radiologist and diagnostic imaging consultant. He is the Consultant and Chief of Interventional Radiology at Sheaf El Orman Oncology Hospital (2021–present). He is also Chief of the Interventional Radiology Unit at the National Cancer Institute, Cairo University (2022–present). He has been a Lecturer in interventional radiology at the National Cancer Institute since 2018. Earlier posts include assistant lecturer and specialist, radiology resident, specialist at Khartoum Breast Care Centre, and specialist and consultant at Techno Scan.

Expertise includes CT‑ and US‑guided true‑cut biopsies and FNAC; transarterial chemoembolization for HCC and for liver, renal, and soft‑tissue tumors; percutaneous nephrostomy and ureteric stents; pigtail drainage; and RF or microwave ablation of hepatic, bone, lung, and thyroid lesions. He also performs PTD and biliary stents; uterine artery embolization; coiling for pelvic varicosities and varicocele; varicose vein ablation and sclerotherapy; and breast procedures (biopsy, markers, wire localization, Mammotome). He is skilled in US, CT, and MRI.

Dr. Anton Wohl leads the Brain Tumors Unit at Sheba Medical Center (since 2026). He is a neurosurgeon specializing in neuro-oncology, brain tumor surgery, and stereotactic radiosurgery.

He performs complex tumor operations with intraoperative MRI and functional mapping. He also uses fluorescence guidance, neuronavigation, and awake craniotomy to help remove tumors safely and preserve function.

Accreditations: Israeli Board Certification in Neurosurgery; Israeli medical license; advanced international fellowships and training, including the Mayo Clinic (USA).

Research: author and co-author of peer-reviewed publications on glioblastoma, malignant brain tumors, radiosurgery, and experimental therapies.

Dr. Inci Emekli is a neurologist at PARMER, Istanbul Medipol University (2025–). She specializes in Parkinson’s disease and movement disorders. She completed her neurology residency at Istanbul University (2015–2020). She then completed a neurology fellowship at Karabuk University (2020–2023) and movement disorders training at Michigan State University (2023–2024).

Her publications include an accepted article in Movement Disorders on the Head Snap Sign, a 2024 World Neurosurgery article on gender inequality in leadership, and a 2021 Parkinsonism & Related Disorders paper on hereditary Parkinson’s in Turkey. She delivered an oral presentation in 2022 on COVID‑19’s impact on carpal tunnel surgery. She also co‑authored a neurology chapter on hyperlipidemia in 2021.

Accreditation: Fellow of the Turkish Board of Neurology (2019–). Memberships: Turkish Society of Neurology (2016–) and European Academy of Neurology (2019–).

Academic Details

Faculty / University
19 Mayis University, Faculty of Medicine, Samsun – Turkey

Date of Graduation
1992

Postgraduate Training
Institution: Department of Radiology, Faculty of Medicine, Erciyes University, Kayseri – Turkey
Supervisor in Charge of Training: Mustafa Ozturk
Training Period: From 1993 to 1998
Title of Thesis: Evaluation of Lower Extremity Artery-Occlusive Disease by MR Angiography

Accreditation

Radiology Specialist: 1998, The Ministry of Health of Turkey

Associate Professor: 2003, Interuniversity Committee

Academic Experience

Residency: Department of Radiology, Erciyes University, Kayseri – Turkey (1993 to 1998)

Private Practice: Maternal and Children Hospital, Sivas – Turkey (1998–2000)

Academic Positions:

2000 to 2003: Assistant Professor of Radiology, Firat University, Elazig – Turkey

2003 to 2009: Associate Professor of Radiology, Firat University, Elazig – Turkey

2009 to 2010: Professor of Radiology, Firat University, Elazig – Turkey

2010 to 2015: Professor of Radiology, Chairman, Bezmialem Vakif University, Istanbul – Turkey

2015 to 2016: Professor of Radiology, Chairman, Yeditepe University, Istanbul – Turkey

2017 to Present: Professor of Radiology, Interventional Radiology Unit, Bahçelievler Medical Park Hospital, Altınbaş University, Istanbul – Turkey

Fellowship

Institution: Department of Radiology, University Hospital of Cleveland, Case Western Reserve University, Cleveland, Ohio, USA

Duration:  2004 to 2005

Position: Research Fellow – Ultrasound & CT (Body)

Professional Memberships

-Turkish Society of Radiology

-Medical Ultrasound Society of Turkey

-Turkish Society of Radiology, Abdominal Radiology Study Group

-ESGAR – European Society of Gastrointestinal and Abdominal Radiology (Fellow)

-ESUR – European Society of Urogenital Radiology (Fellow)

-ESR – European Society of Radiology

-Turkish Society of Magnetic Resonance

-Turkish Society of Radiology, Urogenital Radiology Study Group

-Turkish Society of Interventional Radiology

-Korean Society of Radiology (International Member)

-Radiological Society of North America (RSNA) – Corresponding Member

Prizes and Awards

European Congress of Radiology (ECR) 2002, Vienna – Image Interpretation, 3rd Prize

Interpretation Corner of European Radiology 2003 – 2nd Prize

Cases of the Day – ESGAR 2007, Lisbon, Portugal – 2nd Prize

Cases of the Day – ESGAR 2009, Valencia, Spain – 1st Prize

EDUCATION:

2014 ADNAN MENDERES UNIVERSITY FACULTY OF MEDICINE, CHILD HEALTH AND DISEASES, CHILD NEUROLOGY

2011 IZMIR EDUCATION AND RESEARCH HOSPITAL, CHILD HEALTH AND DISEASES

2011 Izmir Tepecik Education and Research Hospital, Child Health and Diseases

2004 DICLE UNIVERSITY, FACULTY OF MEDICINE

EXPERIENCE:

2018 Istanbul Medipol Hospital

2017 - 2018 Kartal Education and Research Hospital

2014 - 2016 Denizli State Hospital

2011 - 2014 Aydin Adnan Menderes University Faculty of Medicine Hospital

2006 - 2011 Izmir Tepecik Education and Research Hospital

2011Izmir Education and Research Hospital