Adam Keefe Horovitz (born October 31, 1966), popularly known as Ad-Rock, is an American rapper, guitarist, and actor. He was a member of the hip-hop group Beastie Boys. Since the group disbanded in 2012 following the death of Adam Yauch, Horovitz has participated in several Beastie Boys-related projects, worked as a remixer, producer, and guest musician for other artists, and acted in a number of films.
