
Peter Layer
Institution:
Israelitisches Krankenhaus Hamburg, Germany
He has published more than 380 journal articles, book chapters, text books, national and international guideline recommendations. He also serves on the Editorial Boards of several international journals. Dr. Layer received his professional training in Internal Medicine and Gastroenterology at Essen University Hospital, Nordrhein-Westfalen, Germany, and at the Mayo Clinic, Gastroenterology Unit, in Rochester, Minnesota, USA. His scientific focus is on the regulation and pathology of the human pancreas and its diseases, as well as its interaction with gastrointestinal motility and its disorders.

Jaroslaw Regula
Institution:
Medical Center for Postgraduate Education and Institute of Oncology, Warsaw, Poland
Gastroenterology training completed 1992.
Research fellow at University College London, UK, 1992-93.
Board member of European Association of Gastroenterology, Endoscopy and Nutrtion.
Presently Head of the Department of Gastroenterology, Medical Center for Postgraduate Education and Institute of Oncology, Warsaw. Research interests: digestive endoscopy, colorectal cancer screening, Barrett’s oesophagus.
Selected refs.:
1) Regula J et al: Colonoscopy in colorectal-cancer screening for detection of advanced neoplasia. NEJM 2006;355:1863-72
2) Kaminski MF, Regula J et al: Quality indicators for colonoscopy and the risk of interval cancer. NEJM 2010;362:1795-803

Jan Tack
Institution:
University of Leuven, Belgium
Professor Jan Tack is currently Head of the Division of Gastroenterology and Hepatology in the Leuven University Hospital, a Professor in Internal Medicine at the University of Leuven, and a principal researcher in TARGID (the Translational Research Center for Gastrointestinal Disorders) at the University of Leuven. He graduated summa cum laude in 1987 from the University of Leuven and specialized in internal medicine and gastroenterology at the same institution. A research fellow at the Department of Physiology at the Ohio State University, Columbus, Ohio, USA, from 1989 to 1990, he has been conducting research at Leuven University since 1990. Professor Tack’s scientific interest focuses on neurogastroenterology and motility, and includes diverse topics such as the pathophysiology and management of gastrointestinal functional and motor disorders (including functional dyspepsia, gastroparesis, gastroesophageal reflux disease, globus, dysphagia, dumping syndrome, chronic constipation, IBS and opioid-induced bowel dysfunction), the physiology and pharmacology of the enteric nervous system, GI hormones and the control of satiation and food intake. He has published more than 700 articles and 40 book chapters on various aspects of scientific and clinical gastroenterology, generating an h-index of 82.
Professor Tack won several awards for Basic and Clinical Research in GI Science. Professor Tack is President-Elect of the Rome Foundation, Editor-in-chief of the United European Gastroenterology Journal, Past-President of the European Society of Esophagology, and Past-President of the International Society for Diseases of the Esophagus. He has served as co-editor for Neurogastroenterology and Motility, Gastroenterology, Gut and Digestion. He serves or has served as a member of the editorial board of Gastroenterology, American Journal of Gastroenterology, Alimentary Pharmacology and Therapeutics, Journal of Internal Medicine, Bailliere’s Best Practice and Research in Clinical Gastroenterology, Annals of Gastroenterology and Journal of Gastroenterology.

Guido Tytgat
Institution:
International Digestive Cancer Alliance, Amsterdam, The Netherlands
The department he created at the Academic Medical Center in Amsterdam is a leading training unit in gastroenterology and world-renowned for diagnostic imaging, therapeutic endoscopy, and basic and clinical research in inflammatory bowel disease, Barrett esophagus, neuromotility and hepatic transport mechanisms, gallstone disease, and pancreatic diseases. He created the European postgraduate Gastrosurgical school.
Professor Tytgat is the author or co-author of 1500 research publications and several books, atlases and book chapters. His last book is on Grading and Staging in Gastroenteroloy. He served on the editorial boards of several gastroenterology journals. He was associate editor of Gastroenterology and Editor-in-Chief of Best Practice and Research Clinical Gastroenterology.
Professor Tytgat is Honorary Professor at the Shanghai Jiaotong University, China, at the University of Isai, Romania, and the University of Antwerp, Belgium. He is a member of numerous professional associations, including the American Gastroenterological Association, The Royal Dutch Academy of Science, and the Royal College of Physicians. He was President of the European Association for Gastroenterology and Endoscopy. He was President of the World Gastroenterology Organisation from 2002 – 2005.Currently he is co-chairman of the International Digestive Cancer Alliance. He received the distinguished achievement award of the United European gastroenterology Federation and the Master in gastroenterology award of the World gastroenterology Organisation.