GPP membership is open to foundations and grantmaking institutions that meet the following eligibility requirements:
- Funders whose primary function is grantmaking. GPP expects an organization to demonstrate that non-grantmaking activities are incidental to or derive from its primary grantmaking activities and are not part of the original intent of the organization;
- Funders working to expand global philanthropy to support the human rights of LGBTI people in the Global South and East;
- Public, private, individual, faith-based, and corporate funders.