Dr. M Altan Kaya specializes in minimally invasive techniques, including gastric sleeve surgery. His advanced training in Hamburg and Strasbourg ensures patients receive innovative care.

• Over 31 years of experience of surgical experience
• Focused on obesity treatment with minimally invasive methods
• Member of the European Society of Oncological Surgeons
• Extensive training in Germany and France
• Works at Risus Clinic Istanbul

Dr. Cenan Oktay pioneered the use of Valtrac rings in Turkey – a key technique for gastrointestinal anastomoses during gastric sleeve surgery.

• 35 years of experience of experience in general surgery
• Trained in microsurgery at Würtzburg University in Germany
• Specialized in liver and bile tract surgery at Istanbul University
• Early career training under Prof. Herfarth at Heidelberg University