Dr. Kallayanee Porngometkul is a gastroenterologist and Head of the Obesity Center at Yanhee International Hospital. She treats gastrointestinal and liver diseases. She has experience in endoscopic weight-loss therapy, including stomach balloon placement. She is also a speaker on obesity.

Education: MD, Srinakharinwirot University (2003). Internal Medicine training (2009). Subspecialty in Gastrointestinal Medicine (2014).

Credentials: Gastroenterological Association of Thailand; Gastrointestinal Endoscopy Association of Thailand; Liver Disease Association of Thailand; Medical Council of Thailand; Royal College of Physicians of Thailand.

Professor Selin Kapan is a specialist general surgeon at Istinye University Liv Hospital with a focus on complex gastrointestinal and abdominal procedures.

• Specialises in laparoscopic anti-reflux surgery to treat chronic gastroesophageal reflux disease (GERD)
• Member of the Turkish Hepato-Pancreato-Biliary Surgery Association, focusing on liver and pancreas care
• Performs minimally invasive gallbladder removals and stomach resections using advanced laparoscopic techniques
• Authored over 50 scientific publications on surgical outcomes in international peer-reviewed journals

Professor Doganay is a pre-eminent gastroenterologist and former Clinic Chief who leads liver and digestive disease research at VM Medical Park Pendik.

• Trained at prestigious UK hospitals in Manchester and Edinburgh
• Board member of the Turkish Liver Research Association
• Recipient of the Gilead Fellowship Award for his work on liver fibrosis
• Specialises in ulcerative colitis and chronic hepatitis treatment
• Editor for the World Journal of Hepatology and Hepatology Forum

Dr Binicier is a highly specialised gastroenterologist at Medicalpoint International Hospital with international training in advanced endoscopic surgery from Korea University.

• Specialises in endoscopic mucosal resection (EMR) – removing early-stage tumours without invasive open surgery
• Performs ERCP to treat complex gallbladder and pancreatic duct conditions
• Expert in managing inflammatory bowel diseases like Crohn's and ulcerative colitis
• Uses endoscopic submucosal dissection (ESD) for precise removal of deep gastrointestinal polyps

Dr Aslanov is a gastroenterology subspecialist at Medicalpoint International Hospital, trained at Ege University – one of Turkey's leading medical institutions.

• Specialises in ERCP, an endoscopic technique used to treat blockages in the pancreatic and biliary ducts
• Uses argon plasma coagulation (APC) to treat gastrointestinal bleeding and lesions without surgery
• Manages complex inflammatory bowel diseases (IBD) including Crohn's and ulcerative colitis
• Expert in endoscopic stenting and dilatation to clear obstructions in the food pipe and stomach
• Member of the Izmir Medical Chamber

Dr Muzaffer Al is a specialist in advanced gastroenterological surgery at Büyük Anadolu Hospitals. He focuses on minimally invasive techniques that help patients recover faster with less scarring.

• Trained in laparoscopic surgery at Istanbul University Çapa and Cerrahpaşa faculties
• Specialises in antireflux surgery to treat chronic acid reflux without open surgery
• Expert in laparoscopic resection for stomach and intestinal conditions
• Performs minimally invasive procedures for pancreatitis, ulcers, and gastrointestinal polyps
• Uses laparoscopic techniques for complex bariatric and oncological cancer surgeries

Professor Cheon Won Seok serves as the Director of Gastroenterology at Na-Eun Hospital. He is a board-certified subspecialist in gastrointestinal endoscopy with elite clinical training.

• Specialises in endoscopic submucosal dissection (ESD) to remove early-stage tumours without major surgery
• Expert in managing inflammatory bowel diseases including Crohn's disease and ulcerative colitis
• Performs small-bowel capsule endoscopy using a tiny camera to view the digestive tract
• Provides expert care for gastric and oesophageal cancers and chronic liver diseases
• Recognised medical advisor for major South Korean television networks including KBS and MBC

Professor Yasar Tuna is a PhD-qualified gastroenterologist at Medical Park Antalya, where he handles the most challenging digestive and liver cases within the Organ Transplant Centre.

• Specialises in managing advanced cirrhosis, complex pancreatitis, and Crohn's disease
• Completed his PhD in Gastroenterology at Akdeniz University – a top-tier Turkish medical school
• Provides expert care for Barrett's oesophagus and inflammatory bowel diseases
• Held senior academic roles at Akdeniz University, training the next generation of specialists
• Expertise includes complex stomach resections and gallbladder conditions

Professor Lee is a leading specialist at Samsung Medical Center, focusing on pancreatic and biliary tract cancers.

• Manages conditions affecting the bile duct and gallbladder
• Trained at the Stanford University School of Medicine in the USA
• Completed specialist medical education at Kyoto Second Red Cross Hospital in Japan
• Member of the Korean Society of Gastrointestinal Endoscopy
• Serves as a member of the Korean Society of Gastroenterology

Professor Jong Kyun Lee is a leading specialist in pancreatobiliary conditions at Samsung Medical Center, one of South Korea's premier hospitals.

• Focuses on pancreatic, bile duct, and gallbladder cancers
• Manages complex cases of pancreatitis and symptomatic gallstones
• Trained at the University of California and Seoul National University
• Member of the Korean Society of Gastrointestinal Endoscopy
• Expert in the Korean Pancreatobiliary Association specialising in digestive tract disorders

Dr Kinas is a specialist surgeon at Büyük Anadolu Hospitals with a focus on complex gastrointestinal oncology and metabolic surgery.

• Specialises in gastric, colon, and pancreatic cancer surgeries
• Performs esophagectomies to treat oesophageal cancer conditions
• Uses laparoscopic techniques for GERD and reflux to speed up recovery
• Manages complex bile duct and liver-related surgical cases
• Expert in metabolic surgery for treating obesity and diabetes

Dr Parischamon Samilang integrates general medical diagnosis with specialised certifications in regenerative medicine and nutritional wellness at PrimeCare Bkk.

• Graduated from Mahidol University's Ramathibodi Hospital – a top-tier medical school in Thailand
• Certified by the American Board of Anti-aging and Regenerative Medicine
• Holds a Nutritional Wellness certification from the American Naturopathic Certification Board
• Focuses on combining standard disease treatment with proactive wellness care
• Provides consultations in English and Thai for international patients

Professor Ozlem Saygili Yonem is a senior gastroenterology specialist at Memorial Bodrum Hospital who refined her hepatology skills at Johns Hopkins University.

• Specialises in inflammatory bowel disease and complex liver disorders
• Expert in endoscopic ultrasonography (EUS) for detailed internal imaging
• Performs pH-metry and manometry to diagnose digestive motility issues
• Former clinical faculty member at Sivas Cumhuriyet University
• Active member of the Turkish Society of Gastroenterology