Killswitch Engage is an American metalcore band from Westfield, Massachusetts, formed in 1999 after the disbanding of Overcast and Aftershock. Killswitch Engage's current lineup consists of vocalist Jesse Leach, guitarists Joel Stroetzel and Adam Dutkiewicz, bassist Mike D'Antonio, and drummer Justin Foley (formerly in Blood Has Been Shed). The band has released nine studio albums and three live performance albums. Their ninth studio album, This Consequence, was released on February 21st, 2025.