2006
The foundation reorganizes into three programs—Global Development, Global Health, and United States—and a core-operations group.
Co-chair Bill Gates announces he will transition from his fulltime position at Microsoft Corporation to work fulltime for the foundation, beginning in 2008. U.S. investor Warren Buffett pledges to give 10 million Berkshire Hathaway class B shares to the foundation to further its philanthropic mission. More information on the arrangement is available here.
2005
Seattle Mayor Greg Nickels and foundation CEO Patty Stonesifer announce that the foundation will build new headquarters on land near the city's landmark Space Needle. The foundation plans to move into its new campus in the winter of 2010.
2000
The Bill & Melinda Gates Foundation merges with the Gates Learning Foundation. The goal of the merger is to increase efficiency and communication between four main initiatives: Global Health, Education, Libraries, and Pacific Northwest. Patty Stonesifer and William H. Gates Sr. serve as the foundation’s co-chairs.
1999
With a broadening commitment to education, the Gates Library Foundation becomes the Gates Learning Foundation. The William H. Gates Foundation is renamed the Bill & Melinda Gates Foundation. Bill and Melinda Gates contribute nearly $16 billion to the foundations, which move from offices in Bill Gates Sr.’s basement to a new facility in Seattle.
1997
Bill and Melinda Gates launch the Gates Library Foundation to bring computers and Internet access to public libraries in low-income communities in the United States and Canada. Former Microsoft executive Patty Stonesifer takes on the foundation’s leadership. The William H. Gates Foundation continues as a separate entity.
1994
After years of contributing to charitable causes, Bill and Melinda Gates consolidate their giving to address two main initiatives: Global Health and community needs in the Pacific Northwest. Bill’s father, William H. Gates Sr., agrees to manage the new William H. Gates Foundation, formed in December 1994 with an initial stock gift of about $94 million.

