Op Dr Necdet Derici brings international bariatric expertise to Istanbul after completing specialised obesity surgery training in Belgium and France.

• Member of the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
• Specialises in laparoscopic gastrointestinal surgery and endoscopic gastric balloon procedures
• Completed advanced gastric bypass training under renowned bariatric specialists in Belgium
• Member of the Turkish Bariatric Surgery Association and the Laparoscopic Surgery Association
• Expert in både primary weight loss procedures and complex gastric surgery revisions

Professor M Altan Kaya specialises in metabolic and bariatric surgery at Risus Clinic Istanbul, focusing on minimally invasive techniques for weight loss.

• Completed advanced surgical training at the Ethicon Surgical Center in Hamburg, Germany
• Refined skills in minimally invasive methods at the ITES Center in Strasbourg, France
• Member of the European Society of Oncological Surgeons
• Practises at a dedicated centre for metabolic health and fat reduction

The doctor has conducted significant research on the cumulative effective dose of radiation from chest CT scans in COVID-19 patients. This work highlights the importance of adhering to guidelines to minimize unnecessary exposure, reflecting a commitment to patient safety and evidence-based practice.