Contact Us

WGO Executive Secretariat

555 East Wells Street, Suite 1100
Milwaukee, WI 53202-3823 USA
Phone: +1 414 918-9798 ~ Fax: +1 414 276-3349
E-mail: info@worldgastroenterology.org

Marissa Lopez, CAE
Executive Director

Jim Melberg, Program Manager
Membership and Guidelines

Zachary Blevins, Senior Development & Communications Manager
Sponsorship, Exhibits, World Digestive Health Day

Milly Gonzalez, Education and Meetings Manager
Train the Trainers, Meetings and Congresses

Ellist Muniz, Program Manager
Training Centers, WGO Academy

Maria Segura, Administrative Manager
Nominations, Young Professionals and Administrative Duties

Lizzie Murphy, Communications Manager
Publications, Social Media and Communications


Join the Conversation

Connect with us on social media

Talk about WDHD using the hashtags
#WDHD2025 and #NourishToFlourish