 Four years later he represented England and won a gold medal in the 4 x 400 metres relay, at the 1982 Commonwealth Games in Brisbane, Queensland, Australia, he also competed in the 800 metres event.After a successful athletics career, Cook qualified and has since practiced as a teacher specialising in Physical Education and Geography.He is married to former fellow Olympian Kathy Cook; they have three children, Sarah (1988), Matthew (1989) and George (1992) and reside in Walsall, England.