Killswitch Engage is an American melodic metalcore band from Westfield, Massachusetts. Formed following the disbandment of the bands Overcast and Aftershock in 1999, Killswitch Engage's lineup consists of vocalist Howard Jones, bassist Mike D'Antonio, guitarists Joel Stroetzel and Adam Dutkiewicz, and drummer Justin Foley. Signed to Roadrunner Records, the band has released five studio albums and one DVD.