The Rockefeller Foundation is an American private foundation based at 420 Fifth Avenue, New York City. It was established by the prominent Rockefeller family in New York State on May 14, 1913, when its charter was formally accepted by the New York State Legislature. The foundation was started by Standard Oil co-founder John D. Rockefeller, along with his son John D. Rockefeller Jr., and Senior's principal business and philanthropic advisor, Frederick Taylor Gates.
As of 2015, the foundation was ranked as the 39th largest U.S. foundation by total giving. By the end of 2016, assets were tallied at $4.1 billion, with annual grants of $173 million.
According to the OECD, the foundation provided US$107.2 million for development in 2018.