Brad Walst is the bassist, backing vocalist, and co-founder of the Canadian rock band Three Days Grace. Brad and his wife Rhonda have 3 sons named James, Zack, and Graydon. Walst's brother, Matt is currently the lead vocalist of Three Days Grace replacing Adam Gontier. Brad uses Ernie Ball basses, Ampeg Amps, Ampeg Cabinets, Boss Pedals, Sans Amp Pedals. He lists his influences as his parents.
Brad Walst was born in Norwood, Ontario on February 17, 1977. Walst took up the bass at the age of thirteen. He had an avid interest in music while he was in school. Three Days Grace's former singer, Adam Gontier suggested he learn bass, so they could form a band.