Adam Wade Gontier (born May 25, 1978) is a Canadian singer, songwriter and musician. He is the lead singer, rhythm guitarist, and main songwriter for Saint Asonia, but is best known as the former lead singer and rhythm guitarist of the Canadian rock band Three Days Grace. Gontier left Three Days Grace on January 9, 2013. In addition to his work with Three Days Grace and Saint Asonia, he has been involved in collaborations with other bands including Art of Dying, Apocalyptica and Breaking Benjamin.