Billy was awarded his 7th Dan on 29/10/2015 by the British Judo Association.
He was born in Glasgow, Great Britain. When he competed in the Olympics, he was 5-8.5 (175 cm) tall, and weighed 163 lbs (74 kg). He was married to 1982 U52 world champion judoka Loretta Doyle.
In 1990, he won the US Open Colorado Springs in the U71 weight class.
He competed for Great Britain at the 1992 Summer Olympics in Barcelona, at the age of 26, in Judo--Men's Lightweight, and came in tied for 18th.
He is Director of Coaching at Edinburgh Judo, and in 1999 was named UK Coach of the Year, receiving the Mussabini Medal. He assisted Graeme Randall, who won the -81kg world title in Birmingham.
