Austin Robert Carlile (born September 27, 1987) is an American musician from Pensacola, Florida. He was the lead vocalist for the former band Attack Attack! and is currently the lead vocalist of the metalcore band Of Mice & Men. Austin has a heart condition that is hereditary. His mother died of it when Austin was 17. When Austin was operate he got the doctors to take a picture of his heart. The doctor also spent 30 min extra when they stitched him together so that his tattoo still matched.