WEO is an umbrella organization covering three geographical zones:
Asia-Pacific, Europe/Mediterranean and the Americas.
Member societies will normally be affiliated to and represented by one of three geographical zones, through the following societies:
Asia-Pacific Society of Digestive Endoscopy (A-PSDE)
European Society of Gastrointestinal Endoscopy (ESGE)
Inter-American Society of Digestive Endoscopy (SIED)
Societies falling outside these zones may apply for independent membership. WEO currently has one independent member:
Formation of new zones: any group of societies wishing to form a new geographical zone must be supported by more than half of the national societies of digestive endoscopy within that area before applying for zonal status.
The organization is structured into an Executive Committee, as well as standing and ad hoc committees, responsible for different activities within the society.
The Executive Committee, in addition to the standing committees and the presidents of the member societies form the governing council of the organization.
Indonesian Society for Digestive Endoscopy