Mark Pigott, KBE, (born February 6, 1954), is an American businessman. He is Executive Chairman of the Board of Directors of PACCAR since April 2014. He was Chairman and Chief Executive Officer of Paccar, Inc. from January 1997 to April 2014. Pigott has been highlighted as one of the nation's leading CEOs by Forbes magazine, in their annual listing of the top ten CEOs in the country.