Influential philanthropies who have joined together to support the First Five Years Fund include:

• Buffett Early Childhood Fund
• Bill & Melinda Gates Foundation
• Irving Harris Foundation
• George Kaiser Family Foundation
• W.K. Kellogg Foundation
• The Children's Initiative, a project of the J.B. and M.K. Pritzker Family Foundation
• And an anonymous donor.

These family philanthropies apply a private sector approach to social change and recognize early learning as a particularly influential and cost-effective investment.