Vocalist best known as the frontman for the English metal band UFO. With the band, he has recorded more than two dozen albums, including 1974's influential Phenomenon.
He founded UFO with Mick Bolton, Pete Way and
He was a champion amateur boxer in his hometown of London.
His nephew is The Quireboys bassist Nigel Mogg.
He has played with guitarist Michael Schenker as a member of UFO.