Bill & Melinda Gates Foundation and 2015. The table again only includes grants recorded in the Gates Foundation's IATI publications. The foundation explains on its website that its trustees divided the organization into two entities: the Bill & Melinda Gates Foundation and the Bill & Melinda Gates Foundation Trust. The foundation section, based in Seattle, US, "focuses on improving health and alleviating extreme poverty", and its trustees are Bill and Melinda Gates and Warren Buffett. The trust section manages "the investment assets and transfer proceeds to the foundation as necessary to achieve the foundation's charitable goals"—it holds the assets of Bill and Melinda Gates, who
Bill & Melinda Gates Foundation principal officers include Co-Chair William H. Gates, Sr. and Chief Executive Officer Susan Desmond-Hellmann. It had an endowment of $50.7 billion . The scale of the foundation and the way it seeks to apply business techniques to giving makes it one of the leaders in venture philanthropy, though the foundation itself notes that the philanthropic role has limitations. In 2007, its founders were ranked as the second most generous philanthropists in the US, and Warren Buffett the first. As of May 16, 2013, Bill Gates had donated $28 billion to the foundation. Since its founding, the foundation has endowed and