Best known for his work on Ozzie Osbourne's debut album, Blizzard of Ozz; he was also the drummer in heavy metal band Uriah Heep.
At age 11 he began playing drums and got his first professional gig with the Gods in 1969, going on to record three albums with the band. He later played with Toe Fat and National Head Band before linking up with Uriah Heep in November 1971.