Page 9 - Les Meilleurs Médecins au Monde

Dr. Burak Akbay is an ophthalmology specialist at Memorial Bahçelievler Hospital in Istanbul (2024–present). He previously worked at Edirne Keşan State Hospital (2022–2024).

He completed his ophthalmology residency at Pamukkale University (2017–2022). He earned his MD from the Istanbul Faculty of Medicine (2010–2016).

He is a FEBO (Fellow of the European Board of Ophthalmology) and a member of the Turkish Ophthalmological Society. He has experience in more than 1,500 oculoplastic cases.

Dr. Bülent Ünal is a general surgeon and surgical oncologist. He is Head of General Surgery and Surgical Oncology at Florence Nightingale Hospital. He graduated from Çukurova University in 1996. He completed his general surgery residency at Ankara Numune Training and Research Hospital in 2001. He finished a minor specialization in surgical oncology at İnönü University in 2012.

In 2008, he was an NCI Short-Term Scientist at the University of Pittsburgh Medical Center for 10 months. He trained in sentinel node techniques and ductoscopy. In 2010, he completed transplantation and oncology training at the University of Giessen and Marburg. He has many international publications and book chapters. His co-authored series include 128 living-donor liver recipients, 26 Fournier gangrene cases, and 18 diaphragmatic injuries.

He serves on the Board of the Surgical Oncology Association. He is also a member of several Turkish and international surgical societies.

Dr. Eyup Veli Kucuk is a urology specialist at Memorial Göztepe Hospital (2025–present). He previously worked at the Urology Clinic of the University of Health Sciences, Ümraniye Training and Research Hospital (2010–2025). Earlier roles include Ankara Beytepe Military Hospital (2009–2010), Edirne Uzunköprü State Hospital (2008–2009), and Mardin State Hospital (2006–2008).

He earned his MD from Istanbul University, Istanbul Faculty of Medicine (1993–2000). He completed a urology residency at Haydarpaşa Numune Training and Research Hospital (2001–2006). He holds certifications in robotic surgery and kidney transplantation and has andrology fellowship training.

His professional memberships include AUA, EAU, the Turkish Urological Association (TÜD), the Eurasian Urooncology Association, the Robotic Surgery Association, the Andrology Association, and ESSM. He attends AUA, EAU, and TÜD congresses.

Dr. Fahri Doruk is an experienced dentist skilled in advanced dental procedures. He specializes in All-on-4 Dental Implants, porcelain veneers, and root canal treatments. Dr. Doruk is known for his patient-focused and pain-free approach. He helps patients manage dental anxiety and ensures high satisfaction.

He graduated from Ege University Faculty of Dentistry. Dr. Doruk focuses on conservative, protective, and aesthetic treatments. He is dedicated to excellence and uses innovative techniques. His work is recognized for delivering quality dental care and achieving excellent results.

Dr. Cemal Kara is a general surgeon with 26 years of experience. He specializes in cosmetic and weight-loss surgeries. He has performed more than 6,200 procedures. Dr. Kara co-founded the Aegean Medical Health Center and is recognized as a leader in his field.

He holds a Certificate of Surgical Competence from the Turkish Surgical Association, awarded in 2008. Dr. Kara has received several awards in both international and national scientific competitions. He invented and patented a laparoscopic surgical instrument. He has also published over 30 medical articles.

Dr. Kara is an active member of several professional organizations. These include the Turkish Surgical Association, Turkish Colon and Rectum Surgery Association, and the Aegean Region Surgery Association.

2019 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATASEHIR HOSPITAL

Thoracic Surgery Specialist

2017 - 2019, Istanbul/Istanbul/Türkiye

PRIVATE ACADEMIC HOSPITAL

Thoracic Surgery Specialist

2010 - 2021, Istanbul/Istanbul/Türkiye

MARMARA UNIVERSITY FACULTY OF MEDICINE

Thoracic Surgery Specialist

2009 - 2010, Istanbul/Istanbul/Türkiye

KARTAL LÜTFİ KIRDAR TRAINING AND RESEARCH HOSPITAL

Deputy Clinic Chief

Dr. Ali Cemal is a Professor of Otorhinolaryngology and an ENT specialist at Memorial Göztepe Hospital. He has held this role since 2025. He served on the Marmara University ENT faculty from 2014 to 2025. Earlier, he worked as a specialist at Ümraniye and Pendik Training and Research Hospitals. He was a Clinical Fellow at Ohio State University – The James Cancer Research Center from 2015 to 2016.

Education: MD and ENT residency at Marmara University. Accreditations/memberships: European and Turkish Boards of Otorhinolaryngology (since 2015). AAO-HNSF (since 2015). Turkish Society of Otorhinolaryngology and Head & Neck Surgery. Istanbul Medical Chamber. Istanbul ENT and Head-Neck Surgery Specialists Association. Robotic Surgery Association. Turkish Facial Plastic Surgery Association. Head and Neck Surgery Association. Training: Robotic surgery (2015) and microsurgery (2018).

Dr. Fatih Yildiz is an Orthopedics and Traumatology Specialist at Memorial Göztepe Hospital, Istanbul (2025–present). He previously worked at Bezmialem Foundation University, Faculty of Medicine (2013–2025). He also worked at Kızıltepe State Hospital, Mardin (2012–2013). He completed his Orthopedics and Traumatology residency at Istanbul University, Istanbul Faculty of Medicine (2006–2012). He earned his MD from the same faculty (1999–2005).

Professional memberships: TOTBİD (Turkish Orthopedics and Traumatology Association), TOTDER (Turkish Society of Orthopedics and Traumatology), and TOTEK (Turkish Orthopedics and Traumatology Education Council).

Education and Expertise

1993-1999 Istanbul University Istanbul Faculty of Medicine

2000-2005 Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation, specialization training

Experience

2020 - …: Beykent University Faculty of Medicine Department of Physical Medicine and Rehabilitation

2015 - 2020: Bahçeşehir University Faculty of Medicine Department of Physical Medicine and Rehabilitation

2008 -2021: Medical Park Fatih Hospital Physical Medicine and Rehabilitation Clinic

2007 - 2008: Elazig Military Hospital Physical Therapy Clinic

2005 - 2007: Bayrampaşa Physical Therapy and Rehabilitation Center for the Disabled

2000 - 2005: Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation

Professional Memberships

1. Turkish Medical Association

2. Turkish Physical Medicine and Rehabilitation Association

3. Member of Istanbul Medical Chamber,

4.Pediatric Rehabilitation Association

Awards

1 - National Thoracic Oncology Congress, p38, Antalya, 2008 (BEST POSTER AWARD). Demir A, M. Z. Gunluoğlu, N. Dağoğlu, A.Turna, Y. Dizdar, K. Kaynak, Ş. Dilege, N.M. Molinas, D. Yilmazbayhan, S.İ.Dinçer, A.Gürses “The role and prognosis of surgery in the treatment of chest wall primitive neuroectodermal tumors”.

2 - National Thoracic Oncology Congress, 109, Marmaris, 2007 (BEST ORAL PRESENTATION AWARD) Melek, H., M. Günlüoğlu, A. Demir, B. Medetoğlu, H.V. Kara, A. Ölçmen, S.İ. Dinçer, "The superiority of Computed Tomography-integrated PET (PET-CT) over PET fusion CT in Mediastinal Staging of Lung Cancer".

3 - Thoracic Society 9th Annual Congress, 92, Antalya, 2006. (BEST DISCUSSIVE POSTER AWARD) Fazlıoğlu, M., C. Kocatürk, Y. Sönmezoğlu, A.G. Cevik, A. Demir, N. Ürer, A.Turna, S.İ. Dincer M.A. Bedirhan and A. Gürses, “The effect of NSCLC with chest wall invasion DA depth of invasion and resection type on survival”.

4 - National Thoracic Oncology Congress, TP , Çeşme, 2006. (BEST DISCUSSIVE POSTER AWARD).Günlüoğlu, M.Z., A. Demir, H. Akın, D. Sansar, H.V. Kara, A. Ölçmen and S.İ. Dinçer, “Mediastinal lymphatic metastasis pattern in left upper lobe non-small cell lung cancer”. Education and Specialization

1993-1999 Istanbul University Istanbul Faculty of Medicine

2000-2005 Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation, specialization training

Experience

2020 - …: Beykent University Faculty of Medicine Department of Physical Medicine and Rehabilitation

2015 - 2020: Bahçeşehir University Faculty of Medicine Department of Physical Medicine and Rehabilitation

2008 -2021: Medical Park Fatih Hospital Physical Medicine and Rehabilitation Clinic

2007 - 2008: Elazig Military Hospital Physical Therapy Clinic

2005 - 2007: Bayrampaşa Physical Therapy and Rehabilitation Center for the Disabled

2000 - 2005: Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation

Professional Memberships

1. Turkish Medical Association

2. Turkish Physical Medicine and Rehabilitation Association

3. Member of Istanbul Medical Chamber,

4.Pediatric Rehabilitation Association

Awards

1 - National Thoracic Oncology Congress, p38, Antalya, 2008 (BEST POSTER AWARD). Demir A, M. Z. Gunluoğlu, N. Dağoğlu, A.Turna, Y. Dizdar, K. Kaynak, Ş. Dilege, N.M. Molinas, D. Yilmazbayhan, S.İ.Dinçer, A.Gürses “The role and prognosis of surgery in the treatment of chest wall primitive neuroectodermal tumors”.

2 - National Thoracic Oncology Congress, 109, Marmaris, 2007 (BEST ORAL PRESENTATION AWARD) Melek, H., M. Günlüoğlu, A. Demir, B. Medetoğlu, H.V. Kara, A. Ölçmen, S.İ. Dinçer, "The superiority of Computed Tomography-integrated PET (PET-CT) over PET fusion CT in Mediastinal Staging of Lung Cancer".

3 - Thoracic Society 9th Annual Congress, 92, Antalya, 2006. (BEST DISCUSSIVE POSTER AWARD) Fazlıoğlu, M., C. Kocatürk, Y. Sönmezoğlu, A.G. Cevik, A. Demir, N. Ürer, A.Turna, S.İ. Dincer M.A. Bedirhan and A. Gürses, “The effect of NSCLC with chest wall invasion DA depth of invasion and resection type on survival”.

4 - National Thoracic Oncology Congress, TP , Çeşme, 2006. (BEST DISCUSSIVE POSTER AWARD).Günlüoğlu, M.Z., A. Demir, H. Akın, D. Sansar, H.V. Kara, A. Ölçmen and S.İ. Dinçer, “Mediastinal lymphatic metastasis pattern in left upper lobe non-small cell lung cancer”.

Education

2002 –                 Eskisehir Osmangazi University        Faculty of Medicine

                              Ankara Baskent University                 General Surgery

Experience

2022 – present      Lokman Hekim University Ankara Hospital   General Surgery

2013 – 2022          Lokman Hekim Van Hospital                           General Surgery

2011 – 2013          Yuksekova State Hospital                                General Surgery

Memberships

  – Ankara Surgical Association

  – Ankara Breast Diseases 

Neurosurgery

Fields of Study and Interests

• Spina Bifida,

• Lumbar Mass,

• Tumor,

• Meningomyelocele,

• Neurological Diseases,

• Cervical Disc Hernia,

• Brain Diseases,

• Herniated disc

• Neck hernia

• Spinal Canal Stenosis

• Spondylolisthesis (Waist Slip)

• Brain Tumors

• Spinal Cord Tumors

• Spine Fracture

• Celebral hemorrhage

• Brain Aneurysm

• hydrocephalus

• Carpal Tunnel Syndrome

Education

• University of Wisconsin Neurosurgery Clinic Neurosurgery Specialization Training 2017,

Madison/USA

• Bakırköy Mental and Neurological Diseases Hospital Brain and Nerve Surgery Specialization

Training 2014, Istanbul/Turkey

• Mersin University Faculty of Medicine Medical Doctor Specialization Training 2007,

Mersin/Turkey

Career

• Istanbul Kanuni Sultan Süleyman Training and Research Hospital 2014-2021, Istanbul/Turkey

• Istanbul Bakırköy Psychiatric Hospital 2008-2014, Istanbul/Turkey

• Çorlu State Hospital 2007-2008, Çorlu/Turkey

Publications: Üçer, M. (2021). Minimally Invasive Approach Toward Percutaneous Direct Pars

Repair: An Observational Study. World Neurosurgery, 146, e1301-e1306.

2016 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATASEHIR HOSPITAL

Ear Nose Throat Diseases Specialist

2015 - 2015, Hannover/Hannover/Germany

HANNOVER MEDIZINISCHE HOCHSCHULE KLINIKEN

Hals-Nasen- Ohrenheilkunde Fellow

2010 - 2015, Istanbul/Istanbul/Türkiye

ISTANBUL TRAINING AND RESEARCH HOSPITAL

Chief Assistant of the Department of Ear Nose and Throat

2008 - 2010, Istanbul/Istanbul/Türkiye

ISTANBUL TRAINING AND RESEARCH HOSPITAL

Ear Nose Throat Diseases Specialist

Dr. Esra Esim Buyukbayrak is an obstetrics and gynecology specialist and a perinatology (maternal–fetal medicine) subspecialist. She has practiced at Memorial Göztepe Hospital since 2025. She served as Head of Department and Clinical Administrative and Training Director at the Marmara University Faculty of Medicine from 2022 to 2025. From 2015 to 2025, she worked at Marmara University Pendik Training and Research Hospital as a perinatology subspecialist. She also served there as associate professor and later professor.

She holds an MD from Marmara University. She completed residency in obstetrics and gynecology and subspecialty training in perinatology. She received WHO–IAMANEH reproductive health training in Geneva in 2004. She completed advanced obstetrics and gynecology training in 2013. She trained in fetal surgery at Centro Gestar, Brazil, in 2023.

She has 86 SCI/SSCI-indexed articles and 84 nationally indexed articles. She has delivered 51 international and 40 national congress presentations. She has written 9 book chapters and supervised 15 doctoral dissertations. She serves as a reviewer and editorial board member for several journals.

Dr. Umit Naci Karacal is a specialist in Plastic, Reconstructive, and Aesthetic Surgery. He currently practices at Memorial Ankara Hospital. He has held faculty positions at Izmir Bakirçay University Faculty of Medicine and Black Sea Technical University. From 2001 to 2023, he advanced from Associate Professor to Professor at these institutions.

Dr. Karacal graduated from Hacettepe University Faculty of Medicine. He completed his specialty training and chief assistantship in Plastic, Reconstructive, and Aesthetic Surgery at Ankara Numune Hospital. With over twenty years of experience in academic and clinical roles, he has made important contributions to his field.

Prof. Dr. Halil Can Gemalmaz
Orthopedic and Traumatology Surgeon | Istanbul, Turkey

Prof. Dr. Halil Can Gemalmaz is a Professor of Orthopedics and Traumatology with extensive experience in joint replacement, sports injuries, and advanced reconstructive surgery. He treats both local and international patients in his private clinic in Istanbul and performs surgeries in leading private hospitals.

He specializes in knee, hip, and shoulder conditions, including robotic-assisted joint replacement, arthroscopic surgery, and complex trauma care. His practice combines modern surgical techniques with individualized treatment planning to achieve reliable functional outcomes and faster recovery.

In selected cases, Prof. Gemalmaz utilizes advanced 3D planning and patient-specific surgical guides to improve surgical precision, particularly in complex deformities and revision procedures.

He is currently a faculty member at Atlas University Faculty of Medicine and previously worked at Acıbadem Health Group and Acıbadem University.

Key strengths:
Accurate diagnosis and personalized treatment
Modern surgical techniques and robotic-assisted procedures
Strong experience in joint replacement and sports injuries
Clear communication with international patients
Balanced approach between surgical and non-surgical care

EDUCATION 

1974/1979 Elementary School 

1979/1982 Secondary School 

1982/1985 High School 

1985/1991 GATA Military Medical Faculty 

1995/1999 GATA Resident in Orthopaedics. 

1999/2002 Specialist in Orthopaedics. 

2002/2008 GATA Assistant Prof in Orthopaedics 

2008/2009 MAYO Orthopedic Departments (with Franklin Sim, MD), Pathology Department ( with Carrie INWARDS, MD) and Orthopaedic Research Laboratory (with Michael YASZEMSKI) 

2009/2012 GATA Associate Prof in Orthopaedics 

2012/ 2016 İstanbul Medipol University Orthopaedics and Traumatology Dep 

2016/ 2019 Ankara Güven Hospital Orthopaedics and Traumatology Department 

Oct 2019 Marmaris 

DISSERTATION 

The treatment of intraarticular fractures of lower extremity with Ilizarov sirculer external fixator. 

EXPERIENCE: 

Orthopedic Oncology 

Trauma Surgery (war injury, politrauma surgery) 

External Fixation (war injury, open fractures, deformity, limb lengthening) 

Arthroplasty 

Foot and ankle surgery 

AWARDS 2006 Best research presentation. Comparison between the distraction and grafting methods in the treatment of peripheral neural defects: an experimental study in rabbits. Acta Orthop. Traumatol. Turc; 39 (2) 163/171, 2005. 

2005 Best oral presentation. High dose neoadjuvan chemotherapy combined with autologous stem cell transplantation and limb sparing surgery in patients with nonmetastatic osteosarcoma Acta Orthop. Traumatol. Turc; Supp II. 39 (2) 79/80, 2005. 

2005 Best poster presentation. Vascular and nonvascular fibular reconstruction results of benign aggressive and malign bone tumors. Acta Orthop. Traumatol. Turc; Supp II. 39 (2) 171, 2005 

MEMBERSHIP IN SOCIETIES 

TOTBİD (TURKISH ORTHOPAEDIC ASSOCIATION) 

TMSTS (TURKISH MUSCULOSKELETAL TUMOR SOCIETY) 

TURKISH ASAMI 

TURKISH FOOT AND ANKLE SOCIETY 

TURKISH TRAUMA SOCIETY SOMOS 

TEACHING RESPONSIBILITIES 

Associate Professor in Orthopaedic Oncology and Trauma Graduate Program. 

INTERNATIONAL MEETINGS ATTENDED 

1. 4th Congress of The EFORT. 3/8 June, 1999. Brusells. 

2. 3rd Meeting of the ASAMI International 27/29 May 2004 İstanbul / Turkey. 

3. Asia pasific Musculoskeletal Tumor Society 5th meeting. 23/25 April 2004 İzmir / Turkey 

4. 18th Annual meeting European Musculoskeletal Oncology Society. 25/27 May 2005. Italy. 

5. 7th International Congress on Spine. 14/17 April 2005. Antalya / Turkey 

6. 19th Annual meeting of European Musculo-Skeletal Oncology Society. 24/25 May 2006. Russia. 

7. 4th meeting of ASAMI International. 2006 Japan. 

8. 14th ISOLS 11/14 2007 Germany 

9. 5th meeting of ASAMI International. Russia 2008 

10.MAYO Clinic Department of Orthopedic Surgery, A celebration of musculoskeletal tumor surgery meeting. Sep 23/25 2010 Rochester, MN, USA 

11.XXXIII Course on Musculoskeletal Pathology. 8/12 Feb. 2010. Bologna ITALY 

12. 16th ISOLS 2011 China 

13.7th meeting of ASAMI International. Greece 2012

Dr. Sabahattin Gunduz is a cardiologist at Memorial Göztepe Hospital (2025–present). He previously worked as a cardiology specialist at VM Medical Park Pendik Hospital (2018–2025). He also served at Kartal Koşuyolu Heart Hospital (2014–2018), Tuzla State Hospital (2012–2014), and Ümraniye Training and Research Hospital (2010–2012).

He is a Professor of Cardiology at Bahçeşehir University, Faculty of Medicine (2022). He became an Associate Professor at Istanbul Kartal Koşuyolu High Specialty Training and Research Hospital (2017). He completed his cardiology residency at the same institution (2005–2009). He earned his MD from Istanbul University (1999–2005).

Professional memberships: TTB, TKD, ESC, EAPCI, EACVI.

The doctor is a DDS, MSC Prosthodontist with over a decade of experience as a prosthesis specialist dentist, known for performing smooth and painless extractions in complex cases. The doctor graduated from Gazi University Faculty of Dentistry and completed specialization training at İzmir Katip Çelebi University, Department of Prosthodontics.

The doctor has received internationally recognized training certificates in advanced orthodontic training and joint-occlusion training. The doctor has contributed to the field through presentations at various international scientific congresses.