- American Gastroenterological Association (AGA)
- American Society for Gastrointestinal Endoscopy (ASGE)
- American College of Gastroenterology (ACG)
- Canadian Association of Gastroenterology (CAG)
- World Organization for Digestive Endoscopy
- Asociación Mexicana de Endoscopia Gastrointestinal
- Asociación Chilena de Gastroenterología
- Sociedad de Gastroenterología del Uruguay
- Sociedad Venezolana de Gastroenterología
- Sociedad Equatoriana de Gastroenterología
- Sociedade Portuguesa de Endoscopia Digestiva
- Johns Hopkins Gastroenterology and Hepatology
- University of Washington Division of Gastroenterology
- Medical University of South Carolina Digestive Disease Center
- Stanford University Division of Gastroenterology
- Columbia University Division of Gastroenterology
- Karolinska Institute, Stockholm Sweden
- GASTROLAB
- ILLINOIS STATE ACADEMY OF SCIENCE
- Swedish Society of Gastroenterology
- Sociedad Mexicana de Cirujanos de Recto y Colon
- BRITISH SOCIETY OF PAEDIATRIC GASTROENTEROLOGY AND NUTRITION
- The Dukes’ Club, A forum for colorectal trainees
- Atlas of gastrointestinal endoscopy
