Bill & Melinda Gates Foundation working in the area of capacity building and knowledge sharing. Its terms have been called the most stringent among similar OA policies. As of January 1, 2015 their Open Access policy is effective for all new agreements. In March 2017, it was confirmed that the open access policy, Gates Open Research would be based on the same initiative launched in 2016 by Wellcome Trust in their Wellcome Open Research policy launched in partnership with F1000 Research. The following table lists the Bill & Melinda Gates Foundation's committed funding as recorded in their International Aid Transparency Initiative (IATI) publications. The Gates
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