Ulcerative Colitis Doctors Worldwide

Dr. Erdem Akbal is a gastroenterologist at Memorial Şişli Hospital and Memorial Bahçelievler Hospital. He has authored over 100 international indexed publications. Dr. Akbal completed specific training in interventional endoscopy at Jichi Medical University in Japan. He holds academic rank as a professor.

• Completed training for endoscopic ultrasound at Johns Hopkins Hospital in the USA.
• Trained in POEM and gastrointestinal motility at Amsterdam Medical Center.
• Member of the Turkish Society of Gastroenterology and the Gastrointestinal Endoscopy Society.
• Works at Memorial Şişli, the first hospital in Turkey to earn JCI accreditation.

Prof. Dr. Engin Tutar specializes in Pediatric Gastroenterology, Hepatology, and Nutrition, with a focus on inflammatory bowel disease at Hisar Hospital Intercontinental.

• Subspecialist in Pediatric Gastroenterology since 2006
• Former head of Pediatric Gastroenterology at Marmara University
• Over 50 presentations at national and international congresses
• Expert in diagnostic and therapeutic gastrointestinal endoscopy

Professor Aytug brings over 46 years of gastroenterology experience, specializing in complex digestive conditions at Hisar Hospital Intercontinental.

• Completed Gastroenterology fellowship at Marmara University
• Authored numerous papers and book chapters on digestive health
• Professor at Abant İzzet Baysal University since 1998
• Trained at Hacettepe University – one of Turkey's top medical schools

Specialist in inflammatory bowel diseases with 150+ publications and 500+ conference presentations. Trained at Case Western Reserve University in Cleveland.

• Completed MIR training at Hospital Clinic of Barcelona
• PhD in Medicine from University of Barcelona with 'Distinguished Diploma'
• Former member of ECCO Scientific Committee
• Coordinated European 'IBDChip' project
• Works at Teknon Medical Center since 2011

Dr. Zulfikar Polat is a professor of gastroenterology at Istanbul Aydın University. He previously practiced at Anadolu Medical Center, an affiliate of Johns Hopkins Medicine. Dr. Polat focuses on hepato-pancreatology and inflammatory intestinal diseases. He serves as an expert in both diagnostic and interventional endoscopic procedures.

• Member of prestigious international societies including AASLD, EASL, and ESGE.
• Authored 45 national and international medical publications.
• Treats complex conditions like Crohn's disease, ulcerative colitis, and cirrhosis.
• Performs specialized procedures including gastric polypectomy and duodenal polyp removal.

Dr. Suleyman Guray is a gastroenterologist at Memorial Göztepe Hospital in Istanbul. He specializes in endoscopy and internal medicine. He completed training in endoscopic interventions at CHA Bundang Medical Center. Dr. Guray belongs to the Turkish Society of Gastroenterology.

• Participated in the Manchester Advanced Endoscopy Symposium.
• Expertise includes gastroscopy, colonoscopy, and ERCP.
• Is a member of the Gastrointestinal Endoscopy Society.
• Works at Memorial Göztepe Hospital, a 25-year-old facility with 19 operating rooms.

Dr. Chakir specializes in advanced endoscopic techniques, offering innovative solutions for ulcerative colitis at Istanbul Florence Nightingale Hospital.

• Fellowship in Gastroenterology and Hepatology from Necmettin Erbakan University
• Advanced Endoscopy training from Bundang CHA Hospital in Seoul
• Published over 30 papers and book chapters in gastroenterology
• Member of the European Society of Gastrointestinal Endoscopy
• Recipient of the 2019 Rising Star award in digestive disease research

Chief Surgeon at the first certified colorectal cancer centre in Germany – specializes in minimally invasive gastrointestinal surgery.

• Over 19 years of experience in visceral surgery
• Expert in pancreatic and colorectal cancer surgeries
• Introduces modern robotic-assisted surgical techniques
• Coordinates Pancreatic Cancer Centre (Oncocert)
• Member of the German Medical Association

A top Israeli liver expert with over 61 years of experience, Dr. Shebolet heads the Liver Unit at Sourasky Medical Center (Ichilov).

• Subspecializes in treating complex liver conditions, including autoimmune liver diseases
• Completed gastroenterology specialty at the Hebrew University Hadassah Medical School
• Author of over 60 scientific publications and 100 conference reports
• Member of the American and European liver and gastroenterology associations

Prof. Maharshak Nitzan is a leading specialist in ulcerative colitis and currently heads the Department of Inflammatory Bowel Diseases at Tel Aviv Medical Center.

• Deep expertise in immunology for IBD, with research at the Weizmann Institute and University of North Carolina.
• Runs a dedicated Bacteriotherapies Clinic, specializing in advanced treatments like fecal microbiota transplant.
• Author of over 80 professional publications, sharing research on the latest IBD therapies.
• Senior Lecturer at Tel Aviv University, training the next generation of gastroenterologists.
• Professional member of key international IBD societies including the European Crohn's and Colitis Organization.

900+ treatments performed – Dr. U Dun Fan specializes in gastroenterology at Yanda International Hospital.

• 23 years of experience in gastroenterology
• Focuses on advanced treatments for ulcerative colitis
• Skilled in managing chronic inflammatory bowel conditions

With over 20 peer-reviewed studies on GI conditions, Dr. Acar specializes in complex ulcerative colitis cases at Istanbul Florence Nightingale Hospital.

• Gastroenterology subspecialist with 16 years of clinical experience
• Expertise in IBD-related anemia and rare GI complications
• Published research on prohepcidin's role in IBD
• Assistant professor at three leading Turkish medical universities

Professor Benal Buyukgebiz leads pediatric gastroenterology at Istanbul Florence Nightingale Hospital with over 32 years of specialized experience in digestive health.

• Trained in pediatric gastroenterology at Dokuz Eylül University
• Serves as Chair of Pediatrics Department with leadership in gastroenterology research
• Published on pediatric nutrition and recurrent diarrhea management
• Specializes in pediatric digestive disorders from infancy through adolescence

Professor Zamir Halperin leads the Institute of Gastrointestinal and Liver Diseases at Tel Aviv Medical Center with 42 years of gastroenterology expertise.

• Former Chairman of the Israeli Association of Gastroenterologists
• Specializes in inflammatory bowel diseases including ulcerative colitis
• Research fellow at Cleveland Clinic with multiple published theses
• Professor at Tel Aviv University's Sackler School of Medicine
• Recipient of international research fellowships from Royal Free Hospital

Dr. Greenberg heads the Colorectal Surgery Department at Tel Aviv's Sourasky Medical Center – a major referral center for complex bowel conditions.

• Over 35 years of experience as an abdominal surgeon
• Specializes in both open and minimally invasive surgery for colorectal disease
• Expert in the advanced Whipple procedure for related pancreatic issues

A pioneer in Israel's gastroenterology field – Dr. Santo was the first to use interventional ultrasound and co-founded a major European endoscopy society. He leads the Gastroenterology Department at Sourasky Medical Center.

• Heads the Gastroenterology Department at Sourasky Medical Center since 2010
• Former Director of the Interventional Endoscopy Unit at the same hospital
• Specialist in internal medicine and pancreatic disease diagnostics
• Member of the American and Israeli Gastroenterology Associations
• Co-founder of the European Society of Gastrointestinal Endoscopy

Dr. Amir specializes in pediatric inflammatory bowel diseases, with expertise in managing ulcerative colitis in children at Sourasky Medical Center.

• Fellowship-trained in pediatric gastroenterology at Dana-Dwek Children's Hospital
• Performs endoscopic procedures specifically for children
• Member of the European Crohn's and Colitis Organisation
• Lecturer in pediatric gastroenterology at Tel Aviv University