Spencer Chamberlain is an American musician best known as the lead vocalist of the post-hardcore band Underoath. Born on July 24, 1981, in Tampa, Florida, he joined the band in 2003 and contributed to their rise in popularity with albums like They’re Only Chasing Safety and Define the Great Line. In addition to his work with Underoath, Chamberlain has been involved in other musical projects, including the band Sleepwave. His distinctive vocal style and emotional lyrics have made him a prominent figure in the alternative music scene.