Page 6 - Treatment in Istanbul (Turkey)

Prof. Dr. Ahmet Hilmi Kaya is a professor of neurosurgery at Anadolu Medical Center in Gebze, Turkey. He earned his MD from Istanbul University Cerrahpaşa (English program). He completed his neurosurgery residency there from 1996 to 2003. He became a professor in 2015. He also completed observerships at Maastricht University in 2007 and 2009.

His clinical focus includes functional and stereotactic neurosurgery, including deep brain stimulation (DBS) for Parkinson’s disease and essential tremor. He also treats spinal tumors and spinal stenosis and performs spinal instrumentation. He manages skull base and brain tumors. He performs vascular surgery of the central nervous system.

Achievements include leading a Parkinson’s research project at Ondokuz Mayıs University (BAP, Project No. T.597, 2008). He supervised a neurosurgery thesis in 2008. His awards include third place at the 2nd National Congress of the Society of Neurosurgery in 2006, the Turkish Neurosurgical Society Overseas Scholarship in 2008, and the Aysima Altınok Thesis Award in 2009. Several of his papers ranked at the 22nd and 23rd Turkish Neurosurgical Society Scientific Congresses in 2008 and 2009. He is a member of the Turkish Neurosurgical Society and the Turkish Medical Association.

2021 - Present, Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist

2020 - 2021, Istanbul/Türkiye

İSTİNYE UNIVERSITY LIV HOSPITAL

Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist

2019 - 2020, Istanbul/Türkiye

GAYRETTEPE FLORENCE NIGHTINGALE HOSPITAL

Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist

2018 - 2019, Tokat/Türkiye

ISTANBUL TRAINING AND RESEARCH HOSPITAL

Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist

2013 - 2018, Istanbul/Türkiye

ISTANBUL EDUCATION AND RESEARCH HOSPITAL

Ear Nose Throat and Head and Neck Surgery Diseases Specialist Specialist Doctor

2011 - 2013, Tokat/Türkiye

TOKAT STATE HOSPITAL

Ear Nose Throat and Head and Neck Surgery Diseases Specialist Specialist Doctor

2005 - 2011, Istanbul/Türkiye

ISTANBUL EDUCATION AND RESEARCH HOSPITAL

Assistant Physician

Gastroenterologist

Dr. Cagatay Saim Tezel is a Professor of Thoracic Surgery at Memorial Şişli Hospital since 2025. From 2021 to 2025, he was a Professor at Haliç University Faculty of Medicine and at Liv Hospital Ulus. Earlier, he served at SB Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital as a specialist, associate professor, and educational supervisor.

He earned his MD from Ankara University. He completed his Thoracic Surgery specialization at SB Heybeliada Chest Diseases and Thoracic Surgery Hospital from 2000 to 2005. His international training includes a 6‑month observership at the Royal Brompton Hospital and work in the Leicester University clinics. He also attended the STS 41st Annual Meeting and the Ankara University Esophageal Surgery Program. He was part of the Süreyyapaşa Thoracic Surgery Transplant Team. He was an internship lecturer at Yeditepe University from 2013 to 2020. He served on the editorial board of the Heybeliada Medical Bulletin in 2001.

He is a member of the Turkish Thoracic Surgery Society, the European Society of Thoracic Surgeons, the Turkish Thoracic Society, and the European Respiratory Society. He advised a thesis that won third place in the Istanbul Medical Chamber Thesis Competition.

2019 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Neurosurgery Specialist

2015 - 2019, Istanbul/Istanbul/Türkiye

ACIBADEM UNIVERSITY ATAKENT HOSPITAL

Neurosurgery Specialist, Lecturer

2010 - 2015, Bolu/Bolu/Türkiye

ABANT İZZET BAYSAL UNIVERSITY FACULTY OF MEDICINE

Head of Neurosurgery Department

1992 - 2010, Istanbul/Istanbul/Türkiye

BEZMIALEM FOUNDATION GUREBA TRAINING AND RESEARCH HOSPITAL

Neurosurgery Clinic Chief

1987 - 1992, Istanbul/Istanbul/Türkiye

HAYDARPAŞA NUMBER TRAINING AND RESEARCH HOSPITAL

Assistant Chief of Neurosurgery

1987 - 1989, /Switzerland

ZURICH UNIVERSITY HOSPITAL (KANTONSSPITAL)

Neurosurgery Specialist

1984 - 1987, Istanbul/Istanbul/Türkiye

HAYDARPAŞA NUMBER TRAINING AND RESEARCH HOSPITAL

Chief Assistant

1983 - 1984, Ankara/Ankara/Türkiye

GÜLHANE MILITARY MEDICAL FACULTY

Neurosurgery Specialist

2020 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATASEHIR HOSPITAL

Thoracic Surgery Specialist

2018 - 2020, Tekirdağ/Tekirdağ/Türkiye

CORLU STATE HOSPITAL

Thoracic Surgery Specialist

2012 - 2018, Istanbul/Istanbul/Türkiye

MARMARA UNIVERSITY FACULTY OF MEDICINE

Research Assistant

2011 - 2012, Bilecik/Bilecik/Türkiye

BILECIK GOLPAZARI STATE HOSPITAL

Chief Physician

2010 - 2012, Bilecik/Bilecik/Türkiye

BILECIK GOLPAZARI STATE HOSPITAL

General Practitioner

Dr. Mert Tanal is a General Surgery Specialist at Memorial Şişli Hospital (2024–present). He previously worked at Acıbadem Maslak Hospital (2023–2024) and Tekirdağ Dr. İsmail Fehmi Cumalıoğlu City Hospital (2021–2023). He completed his general surgery residency at the University of Health Sciences Şişli Hamidiye Etfal (2016–2021). He earned his M.D. from Istanbul University Cerrahpaşa (2009–2015).

He holds the European Board of Surgery Qualification in General Surgery (2022). He took the Turkish Surgical Society Proficiency Exam (2021). He has published 28 articles in international indexed journals and 10 in national peer-reviewed journals. He has 46 conference presentations and posters.

He is a member of the Turkish Medical Association, Turkish Surgical Society, Turkish Society of Colon and Rectal Surgery, National Trauma and Emergency Surgery Association, ESSO, EAES, and the American College of Surgeons. His training includes IRCAD Robotic Surgery in Strasbourg (2022) and SENATURK Breast Surgery (2020–2021).

• 2022 - Currently, İstanbul/Turkey
  MEMORIAL ATAŞEHIR HOSPITAL
  Obstetrics and Gynecology / In Vitro Fertilization Specialist
• 2015 - 2022, İstanbul/Turkey
  ZEYNEP KAMIL WOMEN'S HEALTH AND PEDIATRICS TRAINING AND RESEARCH HOSPITAL
  IVF Unit
• 2001 - 2015, İstanbul/Turkey
  ZEYNEP KAMIL WOMEN'S HEALTH AND PEDIATRICS TRAINING AND RESEARCH HOSPITAL
  Obstetrics and Gynecology Clinic
• 1999 - 2001, Kastamonu/Turkey
  İNEBOLU PUBLIC HOSPITAL
  Obstetrics and Gynecology Specialist

Dr. Elnur Allahverdiyev is a urologist and urogynecologist at Anadolu Medical Center. He has worked there since 2021. He graduated from Azerbaijan Medical University. He completed his specialization at Marmara University.

He treats female urogynecologic conditions, prostate diseases, and andrology cases. He also performs reconstructive urology and kidney stone surgery. He is certified in urodynamics. He takes part in international societies and has scientific contributions. He works in a well-equipped clinic and offers minimally invasive urologic care.

Prof. Dr. Hamdi Er is a respected Eye Diseases Specialist with a strong background in ophthalmology. He has published 63 international papers and many national articles. His work shows a clear commitment to research and progress in eye care.

Dr. Er has completed over 12,000 surgeries. He specializes in cataract surgery with IOL replacement, LASIK, and retina transplantation. He is a member of organizations such as TOD, ASRS, AAO, and EVRS. These memberships highlight his dedication to professional growth and education in his field.

Dr. Mehmet Taner Ozdemir is an experienced orthopedic specialist with 7 years in the field. He focuses on oncology, orthopedic trauma, arthroscopic surgery, and bone and soft tissue tumors. He completed his medical and specialist training at GATA Faculty of Medicine in Ankara. He also received advanced training at the Hospital for Special Surgery in New York, USA.

Dr. Ozdemir is a member of the Turkish Orthopedics and Traumatology Association and the European Musculoskeletal Tumor Society. He has written five national and thirteen international publications. He is dedicated to improving orthopedic science. His skills include joint replacements, arthroscopies, and tumor surgeries.

Prof. Dr. M. Emre Üstündağ is a Professor of Otorhinolaryngology–Head and Neck Surgery at Anadolu Medical Center in Gebze. He has been a professor at Kocaeli University since 2006. He completed his MD and ENT residency at Istanbul University between 1983 and 1995. He has worked at Istanbul and Kocaeli universities and at Acıbadem hospitals. He has also maintained a private practice since 2006.

Clinical focus: head and neck oncology and surgery; rhinology and rhinoplasty; laryngology; septoplasty; sleep apnea surgery.

He completed international training in Ireland (Ardkeen). In Germany, he trained in Tübingen; Freiburg (otology, 4 months); and Regensburg (rhinology, 4 months). In the USA, he trained at Stanford in laryngology and sleep apnea (4 months). He has 47 international articles and 788 citations (Google Scholar, Jan 2026). He is a member of the Turkish ORL-HNS, the Istanbul University ENT Association, and the German ORL-HNS.

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

Pediatric Surgery Specialist

2010 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Pediatric Surgery Specialist

1997 - 2010, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY

Pediatric Surgery Specialist, Lecturer

1996 - 1997, /Abroad

RED CROSS WAR MEMORIAL CHILDREN'S HOSPITAL

Pediatric Surgery Specialist

1990 - 1996, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY

Pediatric Surgery Specialist, Lecturer

Dr. Mehmet Berki is a physician with extensive experience in emergency medicine and clinical leadership. He is Chief Physician and Responsible Manager at Scala Polyclinic (2025–present). He held the same role at Cinik Hair Hospital (2022–2024). He also worked full-time as an emergency physician at several hospitals in Istanbul.

He managed health services for 17,000–20,000 students and more than 2,000 staff at Yeditepe University. He trained 250 physicians in reproductive health and AIDS under the Baku-Ceyhan pipeline EU project. His background includes cardiology follow-up, hair transplantation, and clinic management in acupuncture and bioresonance.

He organized courses in the Traditional Chinese Medicine Certificate Program at Kadir Has University. Education: MD, Uludağ University Faculty of Medicine.

Dr. Koray Karabulut is a general surgery specialist at Memorial Göztepe Hospital (2025–). His focus is HPB surgery, liver transplantation, and robotic or minimally invasive surgery. He was the responsible specialist at the Fırat University Liver Transplant Center (2014–2018). He then worked as an organ transplantation specialist at Memorial Şişli (2018–2019). In 2024, he worked in robotic HPB surgery at Ageo Medical Center.

Training highlights include minimally invasive HPB at IRCAD (2015). He completed a research fellowship at the Cleveland Clinic on liver tumors and laparoscopic‑robotic surgery (2010–2011). He also completed liver transplant training at the İnönü University Institute (2011–2012). He earned his MD and finished his general surgery residency at Istanbul University. He became an associate professor in 2013. His academic work includes peer‑reviewed papers in J Gastrointest Surg, Surgery, and Surg Endosc. He has written surgical book chapters. He is a guideline author for the Turkish Surgical Society and served on editorial boards (2011–2016).

Dr. Banu Atalar is a board-certified radiation oncologist (Türkiye, 2004). She is a Full Professor at Acibadem MAA University (2018–present) and a clinician at Anadolu Medical Center (2026–present). She trained at Istanbul and Cerrahpaşa. In 2011, she completed a Stanford clinical research fellowship in stereotactic radiosurgery. Her practice focuses on CNS, thoracic, and GI tumors. About 75% of her care involves SRS and MR‑guided adaptive SRS.

Her honors include the ASCO IDEA award (2004), the IASLC International Mentorship Award (2018), and H.FACR (2025). She has 72 international peer‑reviewed publications. Her leadership roles include President of the Turkish Society for Radiation Oncology (2025–27) and Chair of the ESTRO National Societies Committee (2024–27). She served on the ASCO Resource‑Stratified Guidelines Committee (2013–18) and on RSS meeting and nomination committees. She organized national congresses (2023, 2025) and has been an invited speaker at major meetings.

Prof. Yaşar Kütükçü is a neurologist with an education from Gülhane Askeri Tıp Akademisi Medical School and University of California San Francisco. He is a member of Turkish Neurology Society, Parkinson’s Disease Society and International Parkinson and Movement Disorders Society and specializes in Neurophysiology (Deep Brain Stimulation) and movement disorders treatment.

Aesthetic, Plastic and Reconstructive Surgery specialist based in Istanbul. Practice: Dr. Mehdi Asadov Private Clinic (2025–present). Previous roles: Atlas University Hospital (2024–2025), Central Hospital (2024), Clinic Expert Medical Center (2023), and Istinye University Hospital (2022).

Education: Residency in Plastic, Reconstructive and Aesthetic Surgery, Kocaeli University Research and Application Hospital (2014–2020). M.D., Istanbul University Faculty of Medicine (2007–2013). SCORA Exchange, Victor Babeș University (2011).

Accreditations: Microsurgery Licence (Istanbul, 2021). Microsurgery Training Certificate, RMCD Marmara University (2021). Publications: 6 peer-reviewed articles (4 international, 2 national) on breast reconstruction, aesthetic breast surgery, microsurgery, hand surgery, and experimental flap models. These articles have been cited internationally.

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL BAHÇELİEVLER HOSPITAL

Obstetrics and Gynaecology Specialist - Gynaecological Oncology Surgery Specialist

2023 - 2023, /

Professor

2016 - 2018, Istanbul/Istanbul/Türkiye

SBU SISLI HAMIDIYE ETFAL EAH

Gynecological Oncology Surgery Specialist

2010 - 2013, Gumushane/Gumushane/Türkiye

KELKIT STATE HOSPITAL

Obstetrics and Gynaecology Specialist - Compulsory Service

2010 - 2010, Tekirdağ/Tekirdağ/Türkiye

CORLU 5TH CORPS COMMAND

Obstetrics and Gynaecology Specialist - Military Service