Austin Robert Carlile (born September 27, 1987) is an American former musician and current baseball coach from Pensacola, Florida. He is the former lead vocalist of Attack Attack! and Of Mice & Men. After leaving Of Mice & Men, he went to coach youth baseball in Costa Rica. Austin played sports in high school but eventually, due to having to require multiple surgeries from Marfan syndrome as a teenager, he turned to music as an interest. In late 2016, Carlile departed from Of Mice & Men due to Marfan Syndrome and is currently residing in Guanacaste, Costa Rica.