Michael Farrand Bennet (born November 28, 1964) is an American attorney, businessman, and politician serving as the senior United States senator from Colorado, a seat he has held since 2009. A member of the Democratic Party, he was appointed to the seat when Senator Ken Salazar became Secretary of the Interior. Bennet previously worked as a managing director for the Anschutz Investment Company, chief of staff to Denver mayor (and his future Senate colleague) John Hickenlooper, and superintendent of Denver Public Schools.