Fight or Flight is an American rock band started by Disturbed members Dan Donegan and Mike Wengren. The band's members consist of guitarists Dan Donegan and Jeremy Jayson, vocalist Dan Chandler, bassist Sean Corcoran, and Mike Wengren on drums. Fight or Flight released their debut single, "First of the Last," on May 21, 2013. Fight or Flight released its debut album, A Life by Design? via Warner Bros. Records on July 23, 2013.