One of the best cancer specialists in Europe, educator, and cancer researcher, President of the Central European Cooperative Oncology Group (CECOG).
Has published over 600 scientific papers on cancer treatment.
Education and Expertise
Selcuk University Meram Faculty of Medicine - Medical Education
Dr.Abdurrahman Yurtaslan Anakara Oncology Training and Research Hospital Medical Oncology Specialization
Experience
Malatya State Hospital Internal Diseases Clinic
Ankara Oncology Hospital Medical Oncology Clinic
Erzurum Regional Training and Research Hospital Medical Oncology Clinic
AREAS OF INTEREST
Lung cancer
esophageal cancer
Gastric cancer
breast cancer
Gastrointestinal surgery
https://scholar.google.com.tr/citations?user=EDuylhoAAAAJ&hl=tr
Dr. Ron Yulia is a specialist in gastrointestinal diseases with over 20 years of clinical experience. She treats complex conditions such as Crohn's disease, stomach ulcers, liver dystrophy, and pancreatic disorders.
Dr. Yulia is a member of the Israeli Gastroenterology Community. She has published 85 scientific papers. Her training and research highlight her dedication to gastroenterology.
Dr. Oren Shibolet is a highly experienced gastroenterologist and hematologist with over 50 years of practice. He is a leading expert in liver conditions and treatments, having served as the Head of the Liver Unit at Sourasky (Ichilov) Medical Center. He has a degree in general medicine from the Hebrew University, a specialty in gastroenterology from the Hebrew University Hadassah Medical School, and is a member of multiple medical organizations. He is also an author of over 60 publications and 100 conference reports.
Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.
Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.
Education and Specialization
Experience
Prof. Dr. Aytaç ATAMER was born on January 31, 1964 in Adapazarı. He started his medical education at Istanbul University Istanbul Faculty of Medicine and graduated in 1987. After completing his residency training at Dicle University Faculty of Medicine, Department of Internal Medicine, Atamer worked as a specialist physician at the Social Insurance Institution (SSK) Diyarbakır Hospital. He then continued to work as a specialist physician at Diyarbakır Training and Research Hospital.
In 2008, he completed his upper specialization at Haydarpaşa Numune Training and Research Hospital Gastroenterology Clinic and in the same year, he was named Associate Professor of Internal Medicine at Haydarpaşa Numune Training and Research Hospital. In 2011, he continued his duty with the duty of establishing Yalova State Hospital Gastroenterology Clinic and compulsory service and in 2013, he became a faculty member at Yalova University. Between 2017 and 2022, he worked as a Professor at Çamlıca Erdem Hospital Gastroenterology Clinic.
Since 2022, he has been working as a Gastroenterology Specialist and Internal Medicine Specialist at NPISTANBUL Brain Hospital.
Pediatrician, Pediatric Gastroenterology and Nutrition Specialist
Education
Yeditepe University School of Medicine
Professor of Pediatrics (Chair of the Department)
2004 - 2007
Dokuz Eylül University School of Medicine
Pediatric Gastroenterology Sub-specialty
1995 – 1998
Hacettepe University School of Medicine
Pediatrics Instructor
1985 - 1987
Professional Experience
Ataşehir Florence Nightingale Hospital
Pediatrician, Pediatric Gastroenterology
2017 – Present
Kadıköy Şifa Ataşehir Hospital
Pediatric Gastroenterology and Nutrition
2013 – 2017
Dokuz Eylül University School of Medicine
Professor of Pediatrics
1994 – 2004
Publications
Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic
bacterial agents. Turk J Pediatr. 1987. Link
Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of
recurrent diarrhoea. J Trop Pediatrics. 1990. Link
Languages
Turkish: Native
English: Advanced
2005 – M.D., Istanbul University, Istanbul Faculty of Medicine
2010 – Internal Medicine Specialization, Haseki Training and Research Hospital
2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine
Assistant Professor, Istanbul Florence Nightingale Hospital
Assistant Professor, Istanbul Bilim University Faculty of Medicine
Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine
Head of Department, Giresun University Faculty of Medicine
Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:
Gastrointestinal bleeding management in anticoagulant users
Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites
Liver transplantation complications, including graft-versus-host disease
The role of (pro)hepcidin in IBD-related anemia
Endoscopic interventions for acute GI bleeding
Covid-19 treatment agents and their GI implications in Turkey
(Full publication list available upon request)
Gastrointestinal bleeding & endoscopic procedures
Hepatology & liver disease management
Inflammatory bowel diseases (IBD)
Complex GI case diagnostics
Post-transplant GI complications
Diabetic GI and cardiovascular comorbidities
Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.
Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.
Dr. Erwin Santo is an Israeli top rated gastroenterologist, an expert in the diagnosis and treatment of gastric and liver diseases. He has extensive experience in the field, including heading the Gastroenterological Department at Sourasky Medical Center and being a co-founder of the European Society of Gastrointestinal Endoscopy. He is a member of the American Gastroenterological Association, the Israeli Association of Gastroenterology, and the European Association of Gastroenterology, Endoscopy and Nutrition.
Education
Sackler Faculty of Medicine, Tel Aviv University
Specialization
2002-2006 - Internal Medicine, Department of Internal Medicine I, Tel Aviv Medical Center
2007-2010 - Gastroenterology, Institute of Gastrointestinal and Liver Diseases, Tel Aviv Medical Center.
Recognized experience
Internal Medicine and Gastroenterology
Additional education
2007- Weizmann Institute, immunology
2010-2013 - University of North Carolina, Chapel Hill, USA, immunology, microbiology and inflammatory bowel diseases.
Clinical experience
1998-2002 - military doctor of the academic reserve.
2013 - present - Senior Physician at the Institute of Gastrointestinal and Liver Diseases, Tel Aviv Medical Center.
2014 - Present - Director of the Bacteriotherapies Clinic.
From 2017 to the present - Director of the Department of Inflammatory Bowel Diseases.
Academic experience
Senior Lecturer, Department of Internal Medicine, Tel Aviv University
Attending conferences
More than 60 conferences
Professional publications
More than 80 professional publications
Trade union membership
Israel Medical Association
Israel Gastroenterology and Liver Diseases Association
American Gastroenterological Association
European Crohn's and Colitis Organization
Areas of special interest and activities
Inflammatory bowel disease
Bacterotherapy - research and treatment with fecal bacteria
Dr. Gerhard Prager is a leading bariatric surgeon. He has performed over 3,000 bariatric operations using advanced techniques such as gastric bypass, sleeve gastrectomy, and biliopancreatic diversion. He serves as Chairman of the Scientific Advisory Board for Bariatric Surgery at IFSO. Dr. Prager has played a key role in shaping international standards in obesity surgery.
Dr. Prager’s practice uses a multidisciplinary approach. He works closely with endocrinologists, psychologists, nutritionists, and other specialists to provide complete patient care. He is active in research, education, and advanced surgical training. Dr. Prager has trained surgeons from more than 50 countries.
He is accredited by the International Federation for the Surgery of Obesity and Metabolic Disorders and the American Society for Metabolic and Bariatric Surgery.
Univ.-Prof. Dr. Wolfgang Johannes Köstler is a board-certified specialist for Internal Medicine, Hematology/Oncology, and Intensive Care Medicine who specializes in hematology & internal oncology, intensive care medicine. He is one of the top-rated breast cancer and sarcoma oncologist specialists and has extensive experience in the field and has received degrees from the Medical University of Vienna and the Weizmann Institute of Science. He has also had special training at Memorial Sloan-Kettering Cancer Center and Royal Prince Alfred Hospital.
Dr. Tomas Jucaitis is a gastroenterologist and endoscopist. He studied at Kaunas University of Medicine from 1991 to 1998 and graduated in 1998. He completed a primary residency at Ukmergė Hospital in 1999 (1998–1999). He then finished an internal medicine residency at Vilnius University (1999–2001). He later completed a gastroenterology residency (2001–2003). His training also includes internships in the Czech Republic, Germany, and the USA.
He was Coordinator at the National Organ Transplantation Bureau from 2001 to 2004. He worked as an endoscopist and ultrasound specialist at Vilnius Emergency University Hospital from 2003 to 2006. Since 2006, he has practiced as a gastroenterologist and endoscopist at Vilnius University Hospital “SK” Center Branch and at Vilnius “Kardiolita Clinics.” He also held prior roles at Švenčionys Hospital and “Northway” Medical Center.
General Internal Medicine
Graduated (M.D. From)
Doctor of Medicine, Faculty of Medicine, Srinakharinwirot University
Working in general internal medicine treat patients with a wide range of acute and long-term medical conditions.
Certificates
Certificate of Internal Medicine, Faculty of Medicine, Bhumibol Adulyadej Hospital, Directorate of Medical Services, Royal Thai Air Force
Current Positions
General Internal Medicine doctor at Intrarat Hospital
Dr. Vilius Kontenis is a gastroenterologist and endoscopist. He trained at Vilnius University and earned his MD in 2014. He completed his gastroenterology residency in 2018. Since then, he has worked at Mažeikiai Hospital as a gastroenterologist and endoscopist. He also practices at Kardiolita Clinics in Vilnius as a gastroenterologist.
His work includes a systematic review and meta-analysis on inflammatory bowel disease. He has studied liver fibrosis, comparing FibroScan with routine tests. He has also published on dysphagia in older adults, pediatric diarrhea, and food allergy. He has presented on chylous ascites and catastrophic antiphospholipid syndrome. He edited issue No. 1 of Gastroenterologija. He attended the 35th GEEW in 2017. He is a member of the Lithuanian Gastroenterology Association and the World Gastroenterology Organisation.
Prof. Rafael Bruck is a highly experienced gastroenterologist and hepatologist with 40+ years of experience. He specializes in the treatment of acute and chronic diseases of the esophagus, stomach, small and large intestines, pancreas, gastrointestinal cancer, and biliary duct and liver abnormalities. He is a member of several medical organizations, including the American Medical Association.