World Gastroenterology Organisation (WGO) - Global Guardian of Digestive Health. Serving the World.

WGO Executive Secretariat

The WGO Secretariat welcomes and encourages your questions and comments. You may use the below contact information to reach a specific person, or send general correspondence to

Caley Kleczka

Executive Director

Leah Kopp

Manager, WGO and WGO Foundation

Marissa Lopez

Program Manager


The mailing address, telephone number and fax number are:

World Gastroenterology Organisation
555 East Wells Street, Suite 1100
Milwaukee, WI 53202

Telephone: +1 (414) 918-9798
Fax: +1 (414) 276-3349


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