Grantmakers for Effective Organizations (GEO) is a diverse community of more than 6,000 grantmakers working to reshape the way philanthropy operates. They are committed to advancing grantmaking practices that enable nonprofits to achieve better results and build stronger, more resilient communities. GEO provides resources, networking opportunities, and advocates for strategies like flexible funding, capacity building, and learning for improvement. Their work focuses on helping funders become more effective partners to nonprofits.
Serves as the primary operational hub for GEO's staff, coordinating member services, research initiatives, advocacy efforts, and event planning for the philanthropic community.
Located in a central area of Washington D.C., providing accessibility to partner organizations, policymakers, and philanthropic leaders. The office likely facilitates collaboration and member engagement.
Mission-driven, collaborative, and focused on learning and innovation within the philanthropic sector. The culture emphasizes partnership, equity, and support for nonprofit success.
The D.C. location allows GEO to be at the heart of national conversations influencing philanthropy and nonprofit support, facilitating engagement with a wide network of stakeholders.
While GEO's primary focus and membership base are within the United States, its research, publications, and best practices in effective grantmaking are often referenced and utilized by philanthropic organizations internationally. They participate in global conversations about philanthropy, but do not maintain physical offices outside the U.S.
1725 DeSales Street NW, Suite 404
Washington
D.C.
USA
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As of April 2025, Grantmakers for Effective Organizations (GEO)' leadership includes:
Grantmakers for Effective Organizations (GEO) has been backed by several prominent investors over the years, including:
GEO has maintained a stable core executive team over the past 12 months. No major high-profile executive exits or external hires to the top leadership ranks (President/EVP/VP levels) have been publicly announced. Internal role adjustments or promotions may occur as part of ongoing organizational development.
Discover the tools Grantmakers for Effective Organizations (GEO) uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Grantmakers for Effective Organizations (GEO) typically uses the email format [firstinitial][last]@geofunders.org for its staff. This is a common format for many organizations.
[firstinitial][last]@geofunders.org
Format
jdoe@geofunders.org
Example
80%
Success rate
GEO Website (Blog) • February 27, 2024
GEO announced an invitation for members to join its Change Incubator Peer Learning Cohort, designed to support funders in developing and implementing strategies for organizational change towards more equitable and effective practices....more
GEO Website (Blog) • October 24, 2023
Marcus Walton, President & CEO of GEO, shared reflections on the organization's efforts to listen to its members and the broader field to inform its strategic direction and future initiatives aimed at strengthening the philanthropic sector....more
GEO Website (Press Release section, though often found in blog/perspectives) • May 1, 2023
GEO announced the appointment of new members to its Board of Directors, bringing diverse experiences and perspectives to help guide the organization's mission and strategic priorities....more
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