Page 25 - Les Meilleurs Médecins au Monde

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.

Prof. Dr. Levent Kılıçkan graduated from Trakya University Faculty of Medicine in 1989. He completed his residency at Istanbul Taksim Hospital in 1994. He became an associate professor at Kocaeli University Medical Hospital in 2001. In 2006, he was promoted to full professor at Kocaeli University Faculty of Medicine.

Dr. Kılıçkan has attended many national and international medical events. His main areas of interest are intensive care, regional anesthesia, organ transplantation, and cardiovascular anesthesia.

Endocrinologist

*EXPERIENCE*

2023 - Present, Istanbul/Turkey

MEMORIAL ATAŞEHİR HOSPITAL

Pediatric Neurology Specialist

2022 - 2023, Gaziantep/Turkey

SANKO UNIVERSITY FACULTY OF MEDICINE HOSPITAL
Pediatric Neurology Specialist

2019 - 2020, Gaziantep/Turkey

HASAN KALYONCU UNIVERSITY

Pediatric Neurology Specialist

2017 - 2019, Şanlıurfa/Turkey

ŞANLIURFA TRAINING AND RESEARCH HOSPITAL

Pediatric Neurology Specialist (Compulsory Service)

*EDUCATION*

2017, Venice/Italy

San Servolo University Summer School

2014 - 2017, Kayseri/Turkey

ERCİYES UNIVERSITY FACULTY OF MEDICINE

Pediatric Neurology Fellowship Training

2008 - 2013, Istanbul/Turkey

BAKIRKÖY WOMEN'S AND CHILDREN'S DISEASES TRAINING AND RESEARCH HOSPITAL

Pediatric Medicine Residency Training

2001 - 2007, Istanbul/Turkey

CERRAHPAŞA FACULTY OF MEDICINE
Medical Doctor Education

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.

Professor of Oncology and Hematology

Dr. Fatma Kural Aydın is an internal medicine specialist at Hisar Hospital Intercontinental. She focuses on the assessment, diagnosis, treatment, and follow-up of internal diseases. She earned her M.D. from Istanbul University Cerrahpaşa School of Medicine (English Education, 1998). She completed her residency at Istanbul University School of Medicine in 2010.

Her main areas of interest are endocrine and metabolic diseases. Dr. Kural Aydın has worked at Andirin State Hospital in Kahramanmaras and Istanbul University Cerrahpaşa Faculty of Medicine. She has extensive clinical experience and is dedicated to improving patient care in her field.

Prof. Dr. Ilhan Elmaci is a leading neurosurgeon. He is known for his skill in brain and spinal surgeries, neurooncology, and skull base surgery. He has worked at top institutions such as Johns Hopkins University. Dr. Elmaci has introduced new techniques in microsurgery and endoscopic skull base surgery.

He is the founding chairman of the Skull Base Society in Turkey. He is also an active member of the European Skull Base Society. Dr. Elmaci has helped advance neurosurgery through teamwork across specialties. He led Turkey’s first EANS-accredited neurosurgery clinic. He also holds accreditations from the European Association of Neurosurgical Societies.

Dr. Elmaci has published over 110 scientific papers and given more than 250 presentations at congresses. His work continues to influence neurosurgical practice and patient care around the world.

Dr. Safak Olgan is a specialist in obstetrics and gynecology. He has expertise in in vitro fertilization (IVF) and reproductive medicine. His research focuses on endometrial compaction, the effects of obesity on IVF outcomes, and new uterine manipulation techniques for laparoscopic hysterectomy.

In 2010, Dr. Olgan received the 'Andre Van Assche Kuleuven' best study award from EBCOG. He represents Turkey in the European Network of Trainees in Obstetrics and Gynecology (ENTOG). This role highlights his dedication to reproductive health and leadership in the field.

Dr. Unal Isaoglu is a respected medical professional known for his work in pharmacological research. He co-authored a study published in the Indian Journal of Pharmacology. The research examined how methylprednisolone affects bone mineral density in rats with bone loss caused by ovariectomy and reduced adrenaline levels from metyrosine.

His research offers important insights into bone health and drug treatments. Dr. Isaoglu’s achievements show his expertise and dedication to medical science.

Dr. Umut Dogu is a neurosurgeon with strong experience in advanced spine care. He earned his medical degree from Hacettepe University. He completed his neurosurgery residency at Dışkapı Yıldırım Beyazıt Training & Research Hospital. Dr. Dogu has worked as a specialist at Yozgat City Hospital, Emsey Hospital Advanced Spine Center, and Memorial Şişli Hospital. He currently practices at Lokman Hekim Istanbul Hospital.

Dr. Dogu treats degenerative spine diseases, traumatic spine injuries, spinal tumors, and infectious spine diseases. He also manages congenital and developmental spinal disorders. His expertise includes pain-focused procedures such as neuromodulation and vertebroplasty. Dr. Dogu is a member of the Turkish Medical Association and the Turkish Neurosurgical Society.

Dr. has worked in various medical institutions from 1998-2017, including Gazi University (2001-2003) and Selcuk University (1998-2001, 2003-2009, 2009-2010).

2021 - Present, Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Ear Nose Throat Diseases Specialist

2020 - 2021, Istanbul/Türkiye

SERVICE HOSPITAL

Ear Nose Throat Diseases Specialist

2018 - 2018, /USA

UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES

Ear Nose Throat Diseases Specialist Observer

2013 - 2019, Istanbul/Türkiye

BAKIRKÖY DR. SADİ KONUK TRAINING AND RESEARCH HOSPITAL

Ear Nose Throat Diseases Specialist

2005 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Ophthalmologist

2004 - 2005, Ankara/Ankara/Türkiye

GATA TRAINING HOSPITAL

Ophthalmologist

2001 - 2004, Muğla/Muğla/Türkiye

MARINE HOSPITAL

Ophthalmologist

1994 - 2001, Istanbul/Istanbul/Türkiye

MARINE HOSPITAL

Ophthalmologist

1991 - 1993, Hatay/Hatay/Türkiye

MARINE HOSPITAL

Ophthalmologist

1986 - 1988, Kocaeli/Kocaeli/Türkiye

COMMODATE OF THE MINESHIP FLOTILLA

General Practitioner

1985 - 1986, Ankara/Ankara/Türkiye

GATA TRAINING HOSPITAL

General Practitioner

2009 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Orthopedics and Traumatology Specialist

2009 - 2009, Istanbul/Istanbul/Türkiye

MEDICANA INTERNATIONAL ISTANBUL HOSPITAL

Orthopedics and Traumatology Specialist

2008 - 2009, Istanbul/Istanbul/Türkiye

Esenler Life Hospital

Orthopedics and Traumatology Specialist

2006 - 2008, Van/Van/Türkiye

VAN STATE HOSPITAL

Orthopedics and Traumatology Specialist

Assoc. Prof. Dr. Saydam Mehmet is a general surgeon at Lokman Hekim Istanbul Hospital (2025–present). His work covers oncologic, endocrine, and metabolic surgery. He performs laparoscopic surgery, including hernia repair and anti-reflux procedures. He also treats morbid obesity and type 2 diabetes. Sleeve gastrectomy is among his key procedures.

Education: He graduated from the Gülhane Military Medical Academy, Faculty of Medicine (1995–2001). He completed his general surgery residency there (2004–2009). He was a research fellow at the University of Miami/Jackson Memorial Hospital, Ryder Trauma Center (2015–2016).

Experience: He worked as a general surgery specialist at GATA Haydarpaşa, Girne Military, and Mevki Military. He later served as Associate Professor of General Surgery at Dışkapı, Sancaktepe, and Medical Park Gebze. Earlier, he practiced as a general practitioner in military medical services.