William Clay Ford Jr. (born May 3, 1957) is an American businessman, serving as executive chairman of Ford Motor Company. The great-grandson of company founder Henry Ford, Ford joined the board in 1988 and has served as chairman since January 1999. Ford also served as the president, CEO, and COO until turning over those roles to former Boeing executive Alan Mulally in September 2006. Ford is also the vice chairman of the Detroit Lions NFL franchise. Ford serves as a chairman of the United States-Mexico Chamber of Commerce.