Bill Gates Sr. Regents for the University of Washington, and is a co-chair of the Bill and Melinda Gates Foundation, which his son Bill and his daughter-in-law Melinda founded. He has served as a director for Costco Wholesale, a bulk retail corporation, since 2003. He is also a founding co-chair of the Pacific Health Summit. He has adopted the suffix "Sr." to distinguish himself from his more famous son. Gates is co-author, with Chuck Collins, of the book "Wealth and Our Commonwealth: Why America Should Tax Accumulated Fortunes", a defense of the policies promoted by the estate tax. He married Mary Maxwell Gates
Bill Gates Sr. to William Henry Gates I or Sr. (1891–1969) and Lillian Elizabeth Rice (1891–1966); the couple had married in 1913. His paternal grandmother was German and his maternal grandmother was English, and he was apparently the "third" William Henry Gates, despite being named the second. Gates was an active member of a Boy Scout troop for several years, and earned the Eagle Scout Award in 1941. After high school he enlisted in the United States Army, changing his name to William Gates Jr. to avoid the appearance of elitism. He fought in World War II and was honorably discharged in November