Fight or Flight was an American rock band started by Disturbed members Dan Donegan and Mike Wengren.

He began writing songs on his own and later reached out to Evans Blue's lead vocalist, Dan Chandler, in an attempt to collaborate.

[4] When the two had enough material to record, Donegan approached Wengren about forming a side project.

To complete the Fight or Flight lineup, Ra’s Sean Corcoran joined the project to play bass and back vocals.

In addition, Bellevue Suite's Jeremy Jayson joined to play guitar and back vocals, completing the band.