Grantmaker Investors in Education

The Barr Foundation is a Boston-based philanthropic organization focused on advancing climate solutions, arts and creativity, and educational opportunity. Founded by Amos Hostetter Jr. and Barbara Hostetter, the foundation supports nonprofits and initiatives that drive systemic change and strengthen communities, particularly in the Boston region. Through long-term partnerships and flexible funding, Barr Foundation backs organizations working on climate resilience, clean energy transition, public education, and cultural vibrancy. Its approach emphasizes collaboration, innovation, and scaling solutions that can deliver lasting impact.

Bloomberg Philanthropies is the philanthropic organization of Michael Bloomberg, focused on improving lives at scale across the globe. The foundation works across more than 150 countries, supporting initiatives in public health, climate, education, government innovation, and the arts. Its approach combines data-driven decision-making with deep partnerships across governments, nonprofits, and institutions. Bloomberg Philanthropies is known for backing large-scale, measurable programs that aim to deliver systemic change and improve outcomes for millions of people worldwide.

The Andrew W. Mellon Foundation is the largest philanthropic organization in the United States dedicated to supporting the arts, humanities, and higher education. Founded in 1969, the foundation funds institutions, artists, scholars, cultural organizations, and public initiatives that strengthen civic life, preserve cultural memory, and expand access to humanistic knowledge and creative expression. The foundation supports projects that advance social justice, public storytelling, historical understanding, cultural preservation, higher education innovation, and community-centered arts and humanities initiatives.

The Smart Family Fund is a family-led philanthropic fund focused on supporting early-stage nonprofits and social entrepreneurs tackling meaningful social challenges. The fund provides first-time grants, mentorship, and strategic guidance to organizations that show strong potential for scalable impact but may not yet have the traction or data required to secure larger institutional funding. By acting as an early believer in emerging nonprofit leaders, the Smart Family Fund helps organizations validate programs, strengthen operations, and prepare for long-term growth and larger philanthropic partnerships.