We care about your medical doubts
doctor image

Univ.-Prof. Guenter J. Krejs, MD

Internal Medicine, Gastroenterology and Hepatology

Guenter J. Krejs is a professor emeritus of internal medicine with the subspecialty of gastroenterology. He was chairman of a large university department of internal medicine for 19 years. He has ample international experience in gastroenterolgy from his time as professor in the United States of America and in Austria, and as Governing Board Member of the European Association of Gastroenterology, Endoscopy and Nutrition for 30 years. He holds dual citizenship (Austria and USA).
Career

  • 1969 MD Medical Schools: Universities of Vienna and Zurich

  • 1969-71 Rotating residency, Krems and Vienna, Austria

  • 1971-75 Residency in internal medicine and fellowship in gastroenterology, Triemli City Hospital, Zurich, Switzerland

  • 1975-87Faculty member (progressed from instructor to professor of internal medicine, 1984), University of Texas Health Science Center, Southwestern Medical School, Dallas, Texas

  • 1986-2005 Chairman, Department of Internal Medicine, Medical University of Graz, Austria

  • 1986-2013 Head, Division of Gastroenterology and Hepatology, Department of Internal Medicine, Medical University of Graz

Professional Specialization

  • Board-certified in Internal Medicine in Austria and USA

  • Board-certified in Gastroenterology and Hepatology in Austria and USA

  • Board-certified in Infectious Diseases and Tropical Medicine in Austria

  • Board-certified in Laboratory Medicine in Austria

Functions

  • Associate Editor, Gastroenterology (1980-81)

  • President, Austrian Society of Internal Medicine (1988, 1991, 1995, 1999)

  • President, European Association for Gastroenterology, Endoscopy and Nutrition (1988-90)

  • Organisation of the First European Digestive Disease Week in Vienna (later to become UEG) (1990)

  • Chairman, Coordinating Council, United European Gastroenterology Federation (1991)

  • President, Austrian Society for Gastroenterology and Hepatology (1994-96)

  • President, 11th World Congress of Gastroenterology, Vienna (1998)

  • President, Van Swieten Society, Austria (1998-99)

  • Member, Supreme Medical Coucil of the Republic of Austria (2001-10)

  • President, Bockus Inernational Society of Gastroenterology (2007-09)

  • Speaker of the Science Class, Sudeto-German Academy of Sciences and Arts (Munich) (2012)

  • Vice-President, Sudeto-German Academy of Sciences and Arts (Munich) (2015)

Memberships
5 out of 25:

  • American Society for Clinical Investigation

  • European Society for Clinical Investigation

  • American Gastroenterological Association

  • European Association for Gastroenterology, Endoscopy and Nutrition

  • Bockus International  Society of Gastroenterology


 

Honorary Memberships:

  • Texas Society for Gastrointestinal Endoscopy

  • Hungarian Society of Gastroenterology

  • Austrian Surgical Society

  • Scientific Scociety of Physicians in Styria

  • Austrian Society of Gastroenterology and Hepatology

Professorships / lectureships

  • Medical University, Graz, Austria

  • Karl-Franzens University, Graz, Austria

  • University of Vienna, Austria

  • Karl Landsteiner Private University for Medical Sciences, Krems, Austria

  • University of Texas Health Science Center, Southwestern Medical School, Dallas, Texas

  • more than 600 lectures at national and internaltional meetings

Publications

  • More than 300 original articles (5 in the New England Journal of Medicine)

  • More than 300 reviews and book chapters

  • Areas of research: intestinal absorption and secretion, secretory diarrhea, gastrointestinal endocrine tumors, peptic ulcer disease, therapeutic endoscopy, microbiota

We are mentioned in

WordPress Image Lightbox Plugin