The Power of Half its Sunday collections to a local charity. Baumberger remarked: "What will we learn by practicing the power of half? What will this program teach our children and youth? I cannot wait to find out." Melinda Gates, wife of Microsoft founder Bill Gates, said she was inspired by the Salwens' philanthropic efforts. On December 9, 2010, Bill Gates, Mark Zuckerberg (Facebook's CEO), and investor Warren Buffett signed a promise they called the "Gates-Buffet Giving Pledge", in which they promised to donate to charity at least half of their wealth. After launching the Giving Pledge, the Gates invited the Salwens to Seattle
Bill Gates Sr. 1946. He attended the University of Washington (UW) under the G.I. Bill, where he earned a B.A. in 1949 and a law degree in 1950. While at Washington he joined the Chi Psi Fraternity. He co-founded Shidler & King in 1964, which later became Preston Gates & Ellis LLP. He practiced with the firm until 1998, and the firm was merged into the firm now known as K&L Gates (Bill Gates Sr. is not affiliated with the firm). Gates also served on the board of Planned Parenthood. In 1998, Gates retired from PGE. He currently serves on the Board of