American professional bass guitarist who’s best identified for his use the punk rock outfits Procedure Ivy and Rancid. He’s also known for having been the business lead vocalist of Devil’s Brigade. Young he was influenced from the bass function from the Who’s John Entwistle. He co-founded Rancid with guitarist Tim Armstrong in 1992. He’s from California. He and Lars Frederiksen both performed using the punk rock-band Rancid.