American composer, bass guitarist, and double bassist. He came to prominence in the 1990s with the experimental band Mr. Bungle. He has since worked in an array of musical styles, notably with singer and Mr. Bungle co-founder Mike Patton; with saxophonist/composer John Zorn; brief collaboration with Secret Chiefs 3 and with his own avant-garde jazz/rock ensemble Trevor Dunn's Trio-Convulsant and later with rock driven group MadLove. He is also a member of the band Tomahawk, replacing founding member Kevin Rutmanis.