Specialized in gastroenterology with a PhD from Akdeniz University – Dr. Tuna focuses on complex gastric ulcer cases at Medical Park Antalya.
Dr. Yahya Ozel brings 31 years of experience' surgical expertise in gastric and hepatobiliary conditions, trained at Tokyo University Hospital under top specialists.
Dr. José Miguel Esteban Lopez-jamar is a pioneer of endoscopic ultrasound in Spain. He heads the Digestive Endoscopy and Digestive Diseases Units at Hospital Ruber Internacional. Dr. Lopez-jamar specializes in complex interventional endoscopy and minimally invasive treatments. He treats patients at a JCI-accredited hospital ranked among Spain’s top 6 medical centers.
Dr. Cagdas Erdogan is an Associate Professor and gastroenterologist at Istinye University Liv Hospital Topkapi. He specializes in therapeutic endoscopy and inflammatory bowel disease. Dr. Erdogan has authored 40 publications in journals like Scientific Reports and Endoscopy. He treats complex conditions such as Crohn’s disease, ulcerative colitis, and liver cirrhosis.
Associate Professor Ferit Çelik specializes in advanced endoscopic treatments for digestive diseases at Bakırçay University Çiğli Training and Research Hospital.
Dr. Cheon Wonseok is Head of Gastroenterology at Na-Eun Hospital. He treats gastrointestinal disorders. He performs upper endoscopy, colonoscopy, polypectomy, and ESD. He manages gastric and esophageal cancer and Helicobacter pylori infection. He also treats liver disease and inflammatory bowel disease, including Crohn’s disease and ulcerative colitis. He offers small-bowel capsule endoscopy.
Accreditations: Board-certified specialist in gastrointestinal endoscopy. Lifetime member, Korean Society of Gastrointestinal Endoscopy. Full member, Korean Association of Internal Medicine.
Training: Kyung Hee University College of Medicine. Internship, Kyung Hee University Medical Center. Residency in internal medicine, Hallym University Sacred Heart Hospital. Clinical fellowship in gastroenterology, Chung-Ang University Hospital.
Dr. Auala Hubert leads the Gastrointestinal Cancer Center at Hadassah Medical Center with 36 years of experience of oncology expertise.
Prof. Dr. Ahmet Omer Ozutemiz specializes in gastroenterology with over 47 years of experience of experience, focusing on complex digestive system disorders.
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.
Dr. Kim Taegyun is a gastroenterologist. He focuses on pancreatobiliary diseases and cancers, including pancreatitis, pancreatic cysts and cancer, cholecystitis, gallstones (cholelithiasis), and biliary tract cancer. He also performs advanced endoscopy, including ERCP. He treats gastrointestinal tumors, stomach and colon polyps, stomach cancer, and submucosal tumors (SMT).
Education and training: MD, Jeonbuk National University College of Medicine. MS in Medicine, University of Ulsan. Internship, Jeonbuk National University Hospital. Residency in Internal Medicine, Veterans Health Service Medical Center. Fellowships in Gastroenterology, Inje University Haeundae Paik Hospital and Asan Medical Center.
Career: Attending physician and specialist at Gwangju Veterans Hospital and the Veterans Health Service Medical Center.
Dr. Pak Seongjin is a gastroenterologist. He focuses on endoscopy and advanced procedures such as gastroscopy, colonoscopy, polypectomy, and ESD. He also treats digestive and liver diseases, including cirrhosis, pancreatitis, hepatitis, and Helicobacter pylori infection.
He earned his M.D. and M.S. in Internal Medicine from Chung-Ang University. He completed his internal medicine residency and a gastroenterology fellowship at Chung-Ang University Hospital.
He is a clinical professor at Gachon University College of Medicine and Inha University College of Medicine. He is a full member of the Korean Association of Internal Medicine, the Korean Society of Gastrointestinal Endoscopy, the Korean Gastroenterology Association, and the Korean Pancreatobiliary Association.
Dr. Song Hwayeong is a gastroenterologist. Areas of focus include gastrointestinal cancers (stomach and esophageal) and advanced endoscopy (gastroscopy, colonoscopy, ESD, and polypectomy). Dr. Song also treats digestive and liver diseases, including GERD, gastritis, hepatitis, H. pylori infection, and liver disease.
Dr. Song completed a fellowship in Gastroenterology at Inje University Ilsan Paik Hospital. Dr. Song has served as Clinical Professor at Inje, Gachon, and Inha University Colleges of Medicine. Dr. Song is Director of the Gastroenterology Center at Naeun Hospital.
Accreditations: full member of the Korean Association of Internal Medicine, the Korean Society of Gastrointestinal Endoscopy, and the Korean Gastroenterology Association. Doping Committee Member, WKBL.
Selected papers: cryptogenic hepatocellular carcinoma; primary biliary cirrhosis with overlap syndromes; therapy for lamivudine-resistant chronic hepatitis B; and clevudine in HBV-related cirrhosis.
Professor Safadi specializes in liver diseases with a focus on immune modulation at Hadassah Medical Center.
Professor Prager has performed over 3,000 bariatric operations and is the President of IFSO-European Chapter, the leading European society for metabolic surgery.
Specializes in treating diseases of the stomach and intestines, including gastric ulcers, with a focus on integrative biological medicine approaches.
Dr. Kinas specializes in gastric cancer and related surgeries, bringing focused expertise to complex digestive conditions.
Dr. Ferlitsch is a leading specialist in gastroenterology with multiple research awards and extensive training at top institutions.
Specializes in stomach diseases including gastric ulcers at Büyük Anadolu Hospitals.
Specializes in gastric ulcers with advanced endoscopy training from South Korea and Germany – Dr. Yilmaz combines research with clinical expertise.
Prof. Aydin brings decades of specialized expertise in gastric ulcer treatments at Medipol Acibadem District Hospital, including advanced surgical solutions.