Obesity Doctors Worldwide

Dr. Muhammed Gomec is a general surgeon at Medicana Sivas Hospital in Turkey. He performs gastrointestinal and colorectal surgeries for cancerous and non-cancerous conditions. Dr. Gomec also performs weight loss procedures, including gastric sleeve and gastric bypass surgery.

He performs abdominal interventions such as liver resection and colectomy. He treats oncological cases, including stomach, pancreatic, and colon cancers. Dr. Gomec works at a hospital that serves over 110,000 patients annually.

Specializes in surgical and endoscopic treatments for obesity at Dr. HE Clinic, focusing on lasting weight loss solutions.

• Performs endoscopic procedures like gastric balloon and botox
• Expert in metabolic disorder surgeries
• Offers minimally invasive options for obesity treatment

Dr. Cenan Oktay specializes in obesity surgery with advanced training in Germany and Turkey.

• General Surgery Specialist since 1996
• Trained in microsurgery at Würtzburg University
• First in Turkey to use Valtrac rings for GIS anastomoses
• Active in clinical and experimental studies

1,100+ bariatric procedures performed – Dr. Kaya specializes in vertical sleeve gastrectomy at Risus Clinic Istanbul.

• 31 years of surgical experience with a focus on minimally invasive techniques
• Trained in advanced minimally invasive surgery in Hamburg and Strasbourg
• Member of the European Society of Oncological Surgeons
• Performs 6–9 bariatric operations daily

Dr. Yüksel specializes in obesity and metabolic surgery with expertise in minimally invasive techniques.

• Board-certified with outstanding degrees in 2005 and 2016
• Member of Turkish Surgery and Minimally Invasive Surgery Associations
• Proficient in endoscopic diagnostic and treatment procedures
• Extensive experience in colon, rectum, and stomach surgeries

Specializing in laparoscopic obesity surgery, Dr. Derici trained with leading European surgeons in Belgium and France.

• Over 31 years of experience in general and bariatric surgery
• Expert in gastric bypass, gastric balloon, and revision surgeries
• Member of International Federation for Obesity and Bariatric Surgery
• Fluent in English and French for international patients

Associate Professor Mehmet Ali Gok specializes in laparoscopic and minimally invasive surgery at Medipol University Pendik Hospital.

• Published research on endoscopic intra-gastric botulinum toxin A for obesity treatment
• Expert in laparoscopic sleeve gastrectomy with 3D imaging systems
• Certified by European Hernia Society for laparoscopic hernia surgery
• Editor of multiple books on minimally invasive and oncologic surgery

Associate Professor in General Surgery with a focus on bariatric procedures – Dr. Yoldass brings over 16 years of specialized experience to obesity treatment at Ekol International Hospitals.

• Completed advanced training at Ankara Training and Research Hospital
• Board-certified by the Turkish Surgical Association
• Member of Bariatric and Metabolic Surgery Association
• Former faculty member at Izmir University Medical School

Ranked 3rd in Turkey's minor medical specialization exam – Dr. Ersen is a Surgical Oncologist with advanced training from Ankara University.

• Board-certified by the Turkish Surgical Society
• Specializes in surgical oncology with a focus on obesity-related procedures
• Trained at Karadeniz Technical University and Kocatepe University

Dr. Emin Ersoy specializes in cardiovascular surgery with a strong focus on minimally invasive techniques.

• 40 years of experience in cardiovascular surgery
• Expert in adult open heart surgery and endovascular procedures
• Trained at Istanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital
• National and international publications in cardiovascular field
• Frequent speaker at scientific meetings on coronary artery disease

Dr. Michal Dyaczynski is a general and oncological surgeon. He holds a Doctor of Medical Sciences degree and a second-degree specialization in general surgery, both earned with honors. He leads the Department of General and Oncological Surgery at the City Hospital in Siemianowice Śląskie.

Dr. Dyaczynski has more than 25 years of clinical experience. He has worked extensively in metabolic, bariatric, and emergency surgery. He also founded the Silesian Foundation for the Support and Development of Laparoscopic, Bariatric, and Metabolic Surgery.

He is a member of several national and international surgical societies. These include the Society of Polish Surgeons, the European Association of Endoscopic Surgery, and IFSO. Dr. Dyaczynski has written or co-written 20 scientific publications and over 50 conference reports in his field.

Professor Ersin Ozturk specializes in obesity surgery with extensive training at Uludag University and Cleveland Clinic.

• Over 28 years of experience in general surgery
• Expert in laparoscopic techniques for weight loss
• PhD in Physiology alongside surgical qualifications
• Currently practices at Medicana Bursa Hospital