Stephen Percy Harris (born March 12, 1956 in Leytonstone, London, England) is the bassist and primary composer of the heavy metal band Iron Maiden. He founded the band as a teenager in 1975. Along with Dave Murray, they are the only members of the band that have appeared on all of the band's albums. He used to work as an architectural draftsman in the East End of London but gave up his job upon forming Iron Maiden. During the mid 1970s he was a youth team footballer for West Ham United.