The Rockefeller Family Fund (RFF) is a U.S.-based, family-led public charity that engages in strategic philanthropy to promote a sustainable, just, free, and participatory society. Established in 1967 by Martha, John, Laurance, Nelson, and David Rockefeller, RFF combines traditional grantmaking with proactive advocacy to address key societal issues. The fund focuses on environmental protection, the economic rights of women, and accountability of public and private institutions. RFF operates on a hybrid model, blending traditional foundation grantmaking with the flexibility of an advocacy organization to design and implement initiatives. Grants are action-oriented, aimed at achieving tangible public policy results, and are typically not awarded to organizations with popular support or for academic research.