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Need to update your postal or email address? Log in to your online member profile.

For all other queries or concerns, please contact the business office.

Business Office

Phone: 1-202-545-6928
Email: gsoffice@geochemsoc.org

5241 Broad Branch Road, NW
Washington, DC 20015-1305

Kevin Johnson, Chief Operating Officer
Asaf Gelber, Membership Manager