Doctor Shimon Reif is a highly experienced pediatric gastroenterologist in Israel, and is the Head of the Department of Pediatrics at Hadassah Medical Center. He has extensive experience treating liver and gastrointestinal tract illnesses in children, and is a WHO expert in the development of protocols for diagnosing and treating these conditions. Dr. Reif is the co-author of a novel method of non-malignant disease treatment and has published over 50 research articles on the subject. He is a member of various professional organizations such as the Israeli Pediatric Association, the American Gastroenterological Association, and the European Society for Paediatric Gastroenterology, Hepatology and Nutrition.

Gastroenterologist

Gastroenterologist, diabetologist

Professor Gerhard Prager is a highly experienced bariatric surgery specialist with over 3,000 operations for obesity treatment. He is the head of the Obesity Outpatient Clinic in Vienna General Hospital and head of the Metabolic Surgery Center in Confraternitaet Private Hospital. He is a member of several organizations such as the IFSO-European Chapter, the Austrian Obesity Association, the International Federation for the Surgery of Obesity and Metabolic Disorders, the Austrian Society of Surgery, the Austrian Society of Bariatric Surgery, and the American Society for Metabolic & Bariatric Surgery.

Prof. Erdem Koçak, MD

Internal Medicine

Gastroenterology

Medical Interests

• Endoscopic treatment of early stage esophagus, stomach and colorectal tumors

• Endoscopic obesity treatments (Gastric balloon and stomach botox applications)

• ERCP

• Gastroesophageal reflux disease (GERD)

• Chronic liver diseases and viral hepatitis

• Inflammatory Bowel Diseases (Crohn's disease and Ulcerative colitis)

• Esophageal motility disorders (Esophageal Manometry , esophageal pH probe testing)

• Endoscopic ultrasonography

Education

• Istanbul University, Faculty of Medicine -2000

• Zonguldak Karaelmas University Faculty of Medicine, Department of Internal Medicine-2005

• Ankara Training and Research Hospital Gastroenterology Clinic- 2012

• Johns Hopkins University, USA- Bariatric Endoscopy / Advanced Endoscopy Center- 2018

• Hallym University, South Korea- Advanced Endoscopy Center-2019

Experience

• Karabük Yenice State Hospital- Internal Medicine Specialist-Chief Physician

• Erdek Military Hospital, Internal Medicine Clinic- Internal Medicine Specialist

• Ankara Kızılcahamam State Hospital-Internal Medicine Specialist

• Ankara Training and Research Hospital Gastroenterology Clinic

• Siirt State Hospital - Gastroenterology Specialist

• Çanakkale State Hospital- Gastroenterology Specialist / Associate Professor

• Istanbul Bilim University Faculty of Medicine, Şişli Florence Nightingale Hospital Gastroenterology / Liver Transplantation Unit- Gastroenterology Specialist / Associate Professor

• Kadiköy Florence Nightingale Hospital Gastroenterology - Gastroenterology Specialist / Professor DoctorPublications

More than 100 international articles, author of 3 book chapters, 20 national publications, more than 100 congress papers

Memberships

• Turkish Society of Gastroenterology

• HEBİPA

• Turkisch Medical Association

• Turkish Society of Gastrointestinal Endoscopy (TSGE)

• Turkish Association for the Study of Liver

Dr. Palep is a highly experienced bariatric surgeon with 17 years of experience in upper GI and weight loss surgeries. He is well trained in the latest techniques, such as Robotic GI Surgery, Banded Bypass, Banded Sleeve Gastrectomy and Mini Gastric Bypass, and has published multiple peer-reviewed articles in international journals. He is certified as a center of excellence by the IEF for providing comprehensive and high quality care, and is invited across the country and abroad to give talks in his fields of interest.

Assoc. Prof. Dr. Ibrahim Ertugrul is a gastroenterologist specializing in ERCP, liver transplant, gastroscopy, endoscopic surgeries, liver biopsy, liver diseases, bile duct diseases, and reflux. He is a graduate of Istanbul University, Istanbul Faculty of Medicine, and has a specialization in Internal Medicine and Gastroenterology. He is a member of the Turkish Gastroenterology Association, Turkish Liver Research Association, and Gastrointestinal Endoscopy Association.

Dr. Christian Mölleken is a Senior Physician in the Department of Gastroenterology and Hepatology with specialist medical specializations and a patent in Biomarkers for hepatic fibrosis. He is a member of two German societies.