Justin Perez joined Goatwhore on tour early 2004, after initial drummer Zak Nolan's departure from the band. After the tour he was replaced by Zack Simmons, who joined Goatwhore as a permanent member in June 2004.



Justin Perez also plays drums in Organized Hostility, on their demo "Happy People Don't Exist". Previsouly he played in Demise and Skinkrawl.