GESAMP currently has a membership of 13 experts who have been nominated from the GESAMP Pool of Experts. The duties of GESAMP Members include:
- Participating in the sessions of GESAMP
- Contributing to the intersessional work of GESAMP including reviewing terms of reference, project briefs, and draft reports
- Contributing to consensus statements and the identification of emerging issues
- Participating in ad hoc Task Teams, correspondence groups, and Working Groups as appropriate.