Barry Stock

Based in Toronto, the band's original line-up consisted of guitarist and lead vocalist Adam Gontier, drummer and backing vocalist Neil Sanderson, and bassist Brad Walst. In 2003, Barry Stock was recruited as the band's lead guitarist, making them a quartet. In 2013, Gontier left the band and was replaced by Walst's younger brother Matt, who was a longtime songwriter for the band and was previously the lead singer of My Darkest Days. In 2024, Gontier officially rejoined the band with Walst also remaining as a singer, making them a dual-vocalist band.