Professor M Altan Kaya has performed over 1,100 surgical treatments and specialises in vertical sleeve gastrectomy at Risus Clinic Istanbul.

• Completed advanced postgraduate training in minimally invasive surgery in Hamburg and Strasbourg
• Maintains a high-volume practice performing between six and nine bariatric procedures per day
• Expertise in surgical oncology and laparoscopic techniques for metabolic conditions
• Member of the European Society of Oncological Surgeons and the Turkish Surgical Association