Obesity Doctors Abroad — Page 3

Associate Professor Yasar Ozdenkaya leads the obesity surgery department at Medipol Mega University Hospital, one of Turkey's largest medical complexes.

• Specialises in robotic gastric sleeve surgery using the da Vinci system for high precision
• Performs laparoscopic gastric sleeve resection – a minimally invasive approach for faster recovery
• Expert in mini-gastric bypass and gastric balloon procedures for weight management
• Trained at the Istanbul Faculty of Medicine, a central hub for surgical education

Op. Dr. Şükrü Arslan is a General Surgeon. He received his M.D. from Istanbul University Cerrahpaşa in 2005. He completed his General Surgery residency at Atatürk University between 2006 and 2011. He served as an Assistant Professor of General Surgery at Atatürk University from 2013 to 2017. He also worked with the Atatürk University Organ Transplantation Center.

His practice covers gastrointestinal, hepatobiliary, endocrine, hernia, and abdominal surgery. He focuses on minimally invasive and laparoscopic techniques and organ transplantation. He has worked in public hospitals and leading private hospitals across the Marmara Region. He has been a General Surgeon at NPİSTANBUL Brain Hospital since May 2026. He speaks English.

Personal Information:

• Born in 1967.
• Completed primary education in Istanbul.
• Graduated from Pertevniyal High School in 1984.

Education & Training:

• Enrolled in Marmara University Faculty of Medicine in 1984, completing medical education in English and graduating in 1991.
• Started General Surgery residency at Istanbul University Faculty of Medicine in 1991.
• Became a General Surgery Specialist in 1996 with a thesis on "The Effects of Inhibiting the Nitric Oxide Pathway in Radiation Enteritis."
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Professional Experience:

• 1996: Joined Şişli Florence Nightingale Hospital as a General Surgery staff doctor.
• 2002-2004: Served as a Lecturer and Acting Head of the General Surgery Department at Kadir Has University Faculty of Medicine.
• 2013: Transferred to Istanbul Florence Nightingale Hospital as a General Surgery specialist, where he continues to work.
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Medical Expertise & Achievements:

• Performed the first general surgery operation in Turkey using the Da Vinci robotic system.
• Specializes in advanced laparoscopic and robotic surgery and continues to perform such procedures.

Positions Held:

• 1991-1996: Research Assistant – Istanbul University, Faculty of Medicine, Department of General Surgery.
• 1996-2012: General Surgery Specialist – Şişli Florence Nightingale Hospital.
• 2002-2004: Lecturer – Kadir Has University, Faculty of Medicine, Department of General Surgery.
• 2003-2004: Acting Head – Kadir Has University, Faculty of Medicine, Department of General Surgery.
• 2013-Present: General Surgery Specialist – Istanbul Florence Nightingale Hospital.

Interests 
Robotic surgery,
Advanced laparoscopic surgery(Colorectal and GERD Surgery included),
Laparoscopic hernia surgery,
Breast and thyroid surgery,
Gastrointestinal surgery,
Anal region diseases,
Hepatobiliary surgery

Memberships: 

Turkish Medical Association

Turkish Surgical Society

American Society of Colon and Rectal Surgery

Professor Mehmet Recep Tepebasi provides a patient-friendly start to weight loss at Private Yüzyıl Hospital using non-surgical gastric balloons.

• Specialises in minimally invasive gastric balloon procedures to help patients lose weight without major surgery
• Uses a multidisciplinary team approach including nutritional coaching and emotional support
• Focuses on reversible weight loss options for patients who find dieting alone difficult
• Combines medical procedures with tailored diet plans to help reach visible results quickly
• Provides supervised follow-up care to ensure patients build lasting healthy habits

Dr. Servet Tali is a bariatric and metabolic surgeon with more than 12 years of experience. He graduated from Cumhuriyet University Medical School. He has performed over 10,000 bariatric and metabolic surgeries. He consults more than 1,000 patients with obesity and diabetes each year.

He is a member of the Turkish Surgery Association and the Turkish Medical Association. He has contributed to many national and international publications. He is often invited to speak at scientific meetings and international conferences. He is known for innovative methods in bariatric surgery.

Clinical focus: Bariatric/weight-loss (Gastric Bypass, Sleeve Gastrectomy, Gastric Balloon). Metabolic/diabetes surgery (Non-Diverted Ileal Interposition, Transit Bipartition, Diverted Ileal Interposition, Duodenojejunal Bypass, SASI Bypass, SADI-S).

Professor Namik Ozkan is a senior general surgery specialist at Memorial Ankara Hospital and a former Dean of Medicine at two Turkish universities.

• Specialises in bariatric and metabolic surgery for long-term weight management
• Performs sleeve gastrectomy to reduce stomach size and lower hunger hormones
• Offers gastric bypass procedures for patients with obesity and metabolic issues
• Trained at Ankara University, one of Turkey's most prestigious medical schools
• Expertise in laparoscopic abdominal surgery for smaller scars and faster recovery

Professor Yasar Tuna is a lead specialist at the Medical Park Antalya Organ Transplant Centre with a doctorate in gastroenterology. He focuses on the internal metabolic factors that contribute to weight management.

• Performed internal medicine research at Akdeniz University – a top-tier Turkish medical institution
• Specialises in gastroenterology – managing the digestive system and hormone levels for weight loss
• Practises at Medical Park Antalya Hospital – a JCI-accredited facility for clinical safety
• Completed medical training in English – ensuring clear communication for international patients
• Expertise in organ transplant medicine – managing weight health for high-complexity medical cases

Dr. Kallayanee Porngometkul is a gastroenterologist and Head of the Obesity Center at Yanhee International Hospital. She treats gastrointestinal and liver diseases. She has experience in endoscopic weight-loss therapy, including stomach balloon placement. She is also a speaker on obesity.

Education: MD, Srinakharinwirot University (2003). Internal Medicine training (2009). Subspecialty in Gastrointestinal Medicine (2014).

Credentials: Gastroenterological Association of Thailand; Gastrointestinal Endoscopy Association of Thailand; Liver Disease Association of Thailand; Medical Council of Thailand; Royal College of Physicians of Thailand.

Professor Mehmet Hakan Tekelioglu is a lead general surgeon at Gayrettepe Florence Nightingale Hospital, specialising in surgical solutions for metabolic disorders.

• Trained at Istanbul University Cerrahpasa Faculty of Medicine, one of Turkey's most prestigious medical institutions
• Focuses on surgical interventions and hormone management for long-term health outcomes
• Expertise in endocrine-related surgery, ensuring comprehensive care for patients with underlying thyroid issues
• Practises at a JCI-accredited facility meeting international safety standards for surgical procedures

Associate Professor Mehmet Ali Gok is a leading general surgeon at Medipol University Pendik Hospital, specialising in weight loss through 3D-assisted laparoscopic techniques.

• Performs laparoscopic sleeve gastrectomy using 3D imaging for higher precision during surgery
• Uses endoscopic gastric Botox injections – a non-surgical option to help reduce appetite
• Researches clinical outcomes for obesity treatments to improve patient success rates
• Awarded a European Hernia Society certificate for advanced laparoscopic techniques in Dubai
• Active member of the Turkish Surgical Association since 2014

Elif Serenay leads the weight management programme at Büyük Anadolu Hospitals, specialising in nutrition for bariatric surgery and chronic disease.

• Organises dietary plans for patients before and after weight loss surgery
• Specialises in managing nutrition for diabetes and cardiovascular health
• Develops tailored programmes for childhood obesity and pregnancy-related weight gain
• Manages digestive system health through targeted nutritional therapies
• Provides clinical support for patients during breastfeeding

Associate Professor Mehmet Akif Aydin is a specialist surgeon at Medical Park Bahcelievler Hospital. He focuses on surgical weight loss solutions at one of Turkey's largest private healthcare groups.

• Member of the Society of Bariatric and Metabolic Surgery
• Specialises in weight loss surgery and metabolic disorders
• Performs endocrine surgery to treat hormonal conditions affecting metabolism
• Trained at Istanbul University Cerrahpasa Faculty of Medicine
• Member of the Turkish Surgical Society