Bill & Melinda Gates Foundation set conditions so that these contributions do not simply increase the foundation's endowment, but effectively work as a matching contribution, doubling the foundation's annual giving. Bloomberg News noted, "Buffett's gift came with three conditions for the Bill & Melinda Gates Foundation: Bill or Melinda Gates must be alive and active in its administration; it must continue to qualify as a charity; and each year it must give away an amount equal to the previous year's Berkshire gift, plus an additional amount equal to 5 percent of net assets. Buffett gave the foundation two years to abide by the third requirement."
Bill Gates global health, and is working with Rotary International to eliminate polio. Gates was born in Seattle, Washington, on October 28, 1955. He is the son of William H. Gates Sr. (b. 1925) and Mary Maxwell Gates (1929–1994). His ancestry includes English, German, Irish, and Scots-Irish. His father was a prominent lawyer, and his mother served on the board of directors for First Interstate BancSystem and the United Way. Gates' maternal grandfather was J.W. Maxwell, a national bank president. Gates has one older sister, Kristi (Kristianne), and a younger sister, Libby. He is the fourth of his name in his family,