Keith Wallen is a singer-songwriter from Beckley, West Virginia, best known as the guitarist/backing vocalist for Breaking Benjamin as well as the co-founder/lead singer/guitarist for Knoxville, TN based band Copper and former Adelitas Way guitarist. Wallen also co-wrote some songs with Pillar (songs "Call to Action" and "Lose It All"), Saving Abel (the song "She Got Over Me"), Fuel (song "Scars in the Making") and Emmaus Road (the song "Unbelief").