William Kreutzmann Jr. ( KROYTS-mahn; born May 7, 1946) is an American drummer and founding member of the rock band Grateful Dead. He played with the band for its entire thirty-year career, usually alongside fellow drummer Mickey Hart, and has continued to perform with former members of the Grateful Dead in various lineups, and with his own bands BK3, 7 Walkers and Billy & the Kids.
