An American politician
Kenneth Robert Buck (born February 16, 1959) is an American politician who represents Colorado's 4th congressional district in the United States House of Representatives as a Republican. He previously served as District Attorney for Weld County, Colorado. Buck ran unsuccessfully for the United States Senate in 2010, losing to Democrat Michael Bennet. Buck was elected Chair of the Colorado Republican Party on March 30, 2019, replacing Jeff Hays.