Best Gastric Sleeve Surgery (Sleeve Gastrectomy) Doctors Abroad

Professor Mehmet Tahir Oruç specializes in bariatric surgery at Medical Park Antalya Hospital Complex, with over 37 years of surgical experience.

• Completed laparoscopic gastric band training in Austria
• Fellowship at University of Pittsburgh for hepatobiliary surgery
• Held chief positions at multiple Turkish surgical clinics
• Professor at Istinye University's Department of General Surgery

Dr. Yasar Tuna specializes in gastroenterology and metabolic surgery at Medical Park Antalya, with extensive academic and clinical training.

• Over 29 years of experience in gastroenterology
• Holds a Ph.D. from Akdeniz University's Division of Gastroenterology
• Works at a leading hospital with an Organ Transplant Center
• Academic roles at Akdeniz University Faculty of Medicine

Dr. Sukcharoen specializes in anti-aging and regenerative medicine at Intrarat Hospital, with a focus on men's health.

• Board-certified in Anti-Aging and Regenerative Medicine (ABAARM)
• Holds a Master's in Dermatology from Chulabhorn International College
• Diploma in Clinical Sexology & Sexual Medicine
• Practices preventive medicine with a holistic approach

Univ.-Prof. Dr. Gerhard Prager is one of the world’s leading obesity surgeons and a former World President of the IFSO. With more than 9,900 procedures performed and over 435 scientific publications, he ranks among the international leaders in bariatric and metabolic surgery. He graduated from the University of Vienna and trained at the Medical University of Vienna, focusing on minimally invasive and laparoscopic techniques.

He serves as a senior consultant at Wiener Privatklinik, performing advanced procedures for obesity, reflux disease, hernias, and gastrointestinal cancers. His academic contributions include extensive research on metabolic regulation and bariatric surgery outcomes, and he has been a keynote speaker at international conferences.

Dr. Zhang Jian Ping is the Director and Chief Physician of Gastrointestinal Surgery at Xiamen Humanity Hospital. He is a primary expert in gastrointestinal and colorectal oncology in Jiangsu Province. Dr. Zhang has completed thousands of surgical procedures over four decades of practice. He treats gastric tumors, colorectal cancer, and severe acid reflux.

• Specializes in minimally invasive laparoscopic and endoscopic tumor resection.
• Performs metabolic and bariatric surgery for obesity and metabolic syndrome.
• Serves as a peer reviewer for the National Natural Science Foundation of China.
• Vice Chair of the Minimally Invasive Committee for the Jiangsu Medical Doctor Association.

Dr. Viktor Alexander Krol leads the certified Obesity Treatment Center at St. Martinus-Krankenhaus, specializing in advanced bariatric procedures.

• Chief of Gastroenterology and Internal Medicine with extensive experience
• Offers both surgical and endoscopic weight loss treatments
• Uses the latest diagnostic and treatment technologies
• Provides individualized care for each patient

Inventor of the Bikini Sleeve technique – a minimally visible, high-precision approach to gastric sleeve surgery. Dr. Tamer has transformed thousands of lives with his innovative method.

• Professor of Surgery at Alexandria University
• Membership in the Royal College of Surgeons (UK)
• Fellowships at Case Western Reserve University and the University of Pittsburgh
• Member of IFSO (International Federation for the Surgery of Obesity and Metabolic Disorders)

Director of St. Zdislava Hospital and a bariatric surgery specialist since 2004, Igor Simonik specializes in robotic gastric sleeve surgery using the Da Vinci system.

• Performs weight loss surgeries since 2004 – focused on robotic techniques
• Trained in advanced bariatric procedures in Austria, France, and Israel
• Holds an MBA from Cambridge Business School Prague
• Board-certified in surgery with a senior physician license

Dr. Yahya Ozel brings 31 years of surgical expertise, specializing in minimally invasive bariatric procedures at Estexper Clinic.

• Trained in advanced laparoscopic techniques at Tokyo University Hospital
• Certified in surgical endoscopy with Turkish Surgical Proficiency Certificate
• Academic faculty member who trains future surgeons
• Specializes in both bariatric and hepatobiliary surgeries

Over 10,000 successful bariatric surgeries performed – Dr. Tali specializes in weight loss procedures at Central Hospital.

• 12+ years of experience in bariatric and metabolic surgery
• Consults over 1,000 obese and diabetic patients annually
• Member of the Turkish Surgery Association and Turkish Medical Association
• Frequently invited speaker at international conferences

Dr. Namik Ozkan is a general surgeon at Memorial Ankara Hospital. He specializes in bariatric and abdominal surgeries. He is the founding dean of the Aksaray University Faculty of Medicine. Dr. Ozkan trained at Ankara University. He treats complex conditions like obesity with surgical interventions.

• Served as a Professor and Dean at multiple Turkish medical institutions.
• Held leadership roles at Tokat Gaziosmanpasa University and Aksaray University.
• Practices at the JCI-accredited Memorial Ankara Hospital.
• Completed his medical degree and surgery specialization at Ankara University.

Dr. Rafał Marszałek serves as Head of the General Surgery Department at Legionowo Hospital. This facility is affiliated with the Military Medical Institute in Poland. He specializes in laparoscopic surgery for bariatric, oncologic, and general conditions. Dr. Marszałek centers his practice on minimally invasive techniques to speed up recovery.

• Leads a department that performs a high annual volume of surgical procedures.
• Performs gastric sleeve and metabolic surgery for long-term weight loss.
• Treats inguinal and umbilical hernias using laparoscopic repair methods.
• Provides surgical treatment for thyroid, breast, and gallbladder diseases.

Prof. Selin Kapan brings 31 years of surgical expertise to gastric sleeve procedures, grounded in extensive research and academic leadership.

• Professor of General Surgery with a focus on laparoscopic techniques
• Member of the Turkish Surgical Association and Hernia Society
• Published extensively on digestive surgery and hernia repair
• Educated at Istanbul University – Turkey's leading medical school

Dr. Premkamol Patraithikul is a general surgeon with advanced training in minimally invasive techniques. Dr. Patraithikul earned an M.D. from Khon Kaen University. Dr. Patraithikul completed a residency in general surgery at Thammasat University. Dr. Patraithikul completed a fellowship in laparoscopic surgery at Mahidol University (Siriraj Hospital) in Thailand.

Clinical expertise includes laparoscopic and robotic surgery. Practice also covers general surgery, obesity and weight‑management surgery, and surgery for gastrointestinal conditions.

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.

Prof. Justyna Domienik-Karłowicz, MD, PhD, is a physician with many years of experience in the care of people with severe obesity, including bariatric patients. She provides care at every stage of treatment. This includes diagnosis, surgical qualification, postoperative care, and long-term support.

She is a recognized expert in obesity treatment. She trains physicians through training sessions and workshops on current methods. She often speaks at conferences of the Polish Cardiac Society and the Polish Society of Hypertension. She also takes part in meetings for people with obesity. Her work helps improve standards of bariatric care in Poland.

Dr. Mehmet Akif Aydin specializes in gastric sleeve surgery at Medical Park Bahcelievler Hospital, with 28 years in bariatric and metabolic procedures.

• Associate professor with extensive experience in general surgery
• Member of the Society of Bariatric and Metabolic Surgery
• Trained at Ministry of Health Göztepe Training and Research Hospital
• Performs advanced laparoscopic techniques for weight loss surgery

Dr. Tekelioglu has over 29 years of experience in general surgery, specializing in gastric sleeve procedures at Florence Nightingale Hospital.

• Trained at Istanbul University Cerrahpasa Faculty of Medicine
• Performs surgery at a leading private hospital in Turkey
• Fluent in English for international patients