Dr. Koray Tuncer is a gastroenterology specialist at Memorial Şişli Hospital in Istanbul. He has worked there since 2009. He previously served at Private Yunus Emre Hospital from 2003 to 2009.

He earned his MD from Istanbul University, Istanbul Faculty of Medicine (1982–1988). He completed an Internal Medicine residency at SSK Okmeydanı Hospital (1989–1993). He served as Chief Assistant in Internal Medicine at Kartal Training and Research Hospital (1995–1998). He completed gastroenterology fellowships at Haydarpaşa Numune Hospital (1998–1999) and Ege University (1999–2003).

Professional memberships include the Turkish Society of Gastroenterology, the Turkish Association for the Study of the Liver, and the Turkish Medical Association.

He has 5 international and 13 national publications. He has delivered 8 international and 41 national presentations. His additional training includes summer internships at Kantonsspital Aarau (Anesthesiology, 1985) and Kantonsspital Münsterlingen (Internal Medicine, 1987). He regularly attends postgraduate gastroenterology and hepatology courses and national congresses.

Dr. Taha Bahadir Uskul is a specialist in pulmonology and tuberculosis at Memorial Şişli Hospital in Istanbul. He previously worked at Florence Nightingale Hospitals and Istanbul Okan University Hospital.

He earned his MD from Istanbul University. He completed his specialization in pulmonology and tuberculosis at SB Istanbul Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital. He received Turkish Board Certification in Pulmonology in 2002. He is trained in interventional bronchoscopy, medical thoracoscopy, transbronchial needle aspiration, rigid bronchoscopy, and polysomnography.

His awards include Excellent Presentation and the Harasawa Fellowship (APSR, 2006). He also received a Certificate of Appreciation in 2008. He has 11 international and 23 national peer-reviewed publications and numerous presentations.

Dr. Ibrahim Erdim is an ENT specialist. He studied at the Istanbul Faculty of Medicine from 2003 to 2009. He completed his ENT residency at Bakırköy Dr. Sadi Konuk Training and Research Hospital from 2010 to 2014. His specialty thesis examined polysomnographic findings in obese adolescents with and without metabolic syndrome.

Experience: He worked at Erbaa State Hospital from 2014 to 2017. He served in the Department of Otorhinolaryngology at Tokat Gaziosmanpaşa University Faculty of Medicine from 2017 to 2020. He worked at Sancaktepe Training and Research Hospital, Otorhinolaryngology, from 2020 to 2025. He has been an ENT specialist at Lokman Hekim Istanbul Hospital since 2016.

Interests: Otology and neurotology; head and neck cancer surgery; rhinoplasty and facial plastic surgery; pediatric ENT; medical facial aesthetic procedures.

Publications include Stapes Stabilizing Cartilage Graft, Nasal Axis Lateralization Suture Technique in Crooked Nose, and Effect of Propolis on Salivary Glands After Radiotherapy. Memberships: Turkish Medical Association and Istanbul Association of Ear, Nose, Throat and Head & Neck Surgeons.

Dr. Volkan Seneger completed medical school at Dokuz Eylül University Faculty of Medicine (2007–2014). He then trained in psychiatry at Göztepe Training and Research Hospital (2015–2019). He worked as a general practitioner at Erzurum Aşkale State Hospital (2014–2015). He practiced psychiatry at Düzce Atatürk State Hospital (2019–2022), Istanbul Pendik State Hospital (2022–2025), and Private Mercan Hospital (2025).

He currently practices at Lokman Hekim Istanbul Hospital (2025–present). He is a member of the Turkish Psychiatry Association and the Turkish Medical Association.

Dr. Ozan Ali Erdal is an Orthopedics and Traumatology specialist with a focus on pediatric orthopedics. His clinical interests include cerebral palsy and osteogenesis imperfecta. His work includes deformity correction, limb lengthening and height extension, and clubfoot (PEV). He also treats hip dislocation, congenital bone deficiencies including fibular hemimelia, flatfoot and other foot deformities, genu varum, pediatric fractures, and malunions.

Education: Istanbul University-Cerrahpaşa, Medicine (2000–2007). Medical specialization (2008–2013). Experience: Cerrahpaşa Hospital (2008–2013). İnebolu State Hospital (2013–2015). Pediatric Orthopedics Clinic (2015–2025). Lokman Hekim University Istanbul Hospital (2025–present).

Dr. Umit Tuncel is an ENT specialist. He earned his medical degree from Ankara University Faculty of Medicine (1986–1992). He completed his ENT residency at Ankara Numune Training and Research Hospital (1993–1996). He has more than 30 years of ENT experience in Turkey.

He was Head of Clinic at Ankara Keçiören Training and Research Hospital (2005–2008) and at Ankara Oncology Training and Research Hospital (2008–2018, 2022–2024). This totals about 15 years in leadership roles. His practice focuses on head and neck cancers, surgery for snoring and sleep apnea, rhinoplasty, and pediatric ENT. He is currently an ENT specialist at Lokman Hekim Istanbul Hospital (2024–present).

Dr. Fatima Bayramova completed a Bachelor’s degree at the Azerbaijan Medical Faculty in 2014. She completed residency training at Hacettepe University Faculty of Medicine in 2020 and at Istanbul University in 2025. She served as a Research Assistant in Internal Medicine at Hacettepe from 2016 to 2020. She then worked as a Specialist at Erdem Hospital in 2021. From 2021 to 2025, she was a Research Assistant in Endocrinology and Metabolic Diseases at the Istanbul Faculty of Medicine.

Her expertise includes diabetes mellitus, thyroid disease, obesity, adrenal and pituitary disorders, and osteoporosis. She also studies the correlation between bone marrow aspiration and biopsy results. She is a member of the Turkish Society of Endocrinology and Metabolism.

Dr. Alihan Gurkan is a gastrointestinal surgeon with over 25 years of experience. He specializes in bariatric and advanced gastrointestinal procedures. For more than ten years, he led the Department of General Surgery. He is known for his focus on patient safety and his commitment to international standards.

Dr. Gurkan is a member of several professional organizations, such as the American Society of Transplant Surgeons and the Turkish Society of Surgery. He completed advanced fellowships in cardiovascular and multi-organ transplantation at leading US institutions. His practice is known for high success rates and the use of modern surgical techniques.

Dr. Ece Kalafatlar is a plastic surgeon at Istanbul Aesthetic Plastic Surgery Center. She is a board-certified specialist by the European Board (EBOPRAS). Dr. Kalafatlar focuses on reconstructive and aesthetic procedures for the face and body. She treats patients at a clinic that serves over 4,000 people annually.

• Specializes in rhinoplasty, facelift surgery, and breast augmentation.
• Expertise includes tummy tucks, liposuction, and mommy makeovers.
• Holds EBOPRAS certification, a high European standard for plastic surgery.
• Completed medical training and specialization at top Istanbul institutions.

Dr. Fatma Kural Aydin is an internal medicine specialist at Hisar Hospital Intercontinental in Istanbul. She focuses on endocrine and metabolic diseases. Dr. Aydin graduated from the Istanbul University Cerrahpaşa School of Medicine. She later finished her residency at the Istanbul School of Medicine.

• Expert in managing complex internal medical conditions and metabolic disorders.
• Provides differential diagnosis and monitoring for varied internal diseases.
• Practices at a JCI-accredited hospital that serves over 500,000 patients annually.
• Performs diverse diagnostic screenings, including heart, cancer, and endocrine check-ups.

*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

2022 - Present, Istanbul/Türkiye

MEMORIAL BAHÇELİEVLER HOSPITAL

Obstetrics and Gynaecology Specialist

2018 - 2022, Istanbul/Türkiye

BEZMIALEM FOUNDATION UNIVERSITY FACULTY OF MEDICINE HOSPITAL

Obstetrics and Gynaecology Specialist

2016 - 2018, Adiyaman/Türkiye

KAHTA STATE HOSPITAL

Obstetrics and Gynaecology Specialist

Dr. Servet Izci is a cardiologist with 24 years of clinical practice. He earned his MD at Fırat University (1996–2002). He completed a cardiology residency at Kartal Koşuyolu Training and Research Hospital (2010–2015). He worked as a consultant cardiologist at Kartal Koşuyolu (2015–2025) and Pendik Medical Park (2025–2026). He now practices at Lokman Hekim Istanbul Hospital (2026–present). He is a member of the Istanbul Medical Chamber and the Turkish Society of Cardiology.

Clinical focus: coronary angiography and stenting via radial access. He also performs peripheral and carotid artery interventions. He manages arrhythmias, hypertension, hyperlipidemia, and heart failure. Scientific output: three publications. Topics include catestatin as a predictor of mortality in acute pulmonary embolism, ECG changes during alcohol withdrawal, and the increased risk of high‑grade AV block in non‑O blood types.

• 2001 - Currently, İstanbul/İstanbul/Turkey
  MEMORIAL ŞİŞLİ HOSPITAL
  Chest and Cardiovacular Surgeon
• 1997 - 2001, İstanbul/İstanbul/Turkey
  FLORENCE NIGHTINGALE HOSPITAL
  Chest and Cardiovacular Surgeon
• 1992 - 1997, İstanbul/İstanbul/Turkey
  YEDİKULE PULMONARY DISEASES HOSPITAL
  Chest and Cardiovacular Surgeon
• 1990 - 1992, İzmir/İzmir/Turkey
  HATAY MILITARY HOSPITAL
  Medical Third Lieutenant

Dr. Atila Tanyeli is a professor specializing in pediatric hematology and bone marrow transplantation. He works at Memorial Şişli Hospital in Istanbul. Dr. Tanyeli treats blood disorders and cancers in children, including leukemia. He is recognized across Europe for his research in bone marrow transplantation.

• Member of the European Association for Bone Marrow Transplantation.
• Holds memberships in the Turkish and American Societies of Hematology.
• Treats acute lymphoblastic leukemia and other complex pediatric blood cancers.
• Practices at the JCI-accredited Memorial Şişli Hospital.

Dr. Oguz Acar is a neurologist at Memorial Şişli Hospital in Istanbul. He is a co-author of the textbook 'Advances and Technical Standards in Neurosurgery'. Dr. Acar specializes in treating brain and spine conditions. He manages cases of glioma, epilepsy, and various movement disorders. Dr. Acar works at Turkey's first JCI-accredited medical center.

• Published over 110 scientific papers on neurological care.
• Treats complex conditions like spine tumors and skull injuries.
• Provides care for patients with herniation and nervous disorders.
• Practices at a hospital serving patients from 160+ countries annually.