Bradley J. "Brad" Wilk (born September 5, 1968) is an American musician, actor, and activist, best known as the drummer of the American rock bands Rage Against the Machine (1991–2000; 2007–present).
Wilk started his career as a drummer for Greta in 1990, and helped co-found Rage with Tom Morello and Zack de la Rocha in August 1991. Following that band's breakup in October 2000, Wilk joined Morello and Rage bassist Tim Commerford in forming the the now-defunct Audioslave (2001–2007).
Recently, Wilk has established himself as a session drummer, performing for English metal band Black Sabbath on their upcoming 2013 album 13.