Ben Allison (born November 17, 1966) is an American double bassist, composer, producer, bandleader, educator. In addition to his work as a performer, he co-founded the non-profit Jazz Composers Collective and served as its Artistic Director for twelve years. Allison is an adjunct professor at New School University and serves on the board of the New York chapter of the National Academy of Recording Arts and Sciences, where he serves as President.