William Collum

William Sean Collum (born 18 January 1979) is a former Scottish football referee and is currently head of referee operations at the Scottish FA.

Career Collum officiated his first Scottish Football League match in November 2004, and his first SPL match in April 2006. He took charge of his first UEFA Champions League match in September 2010, overseeing FC Copenhagen's 2–0 win away at Panathinaikos, and has also officiated several high profile international matches and UEFA Europa League matches. On 11 June 2012 it was announced that Collum had been elevated to FIFA Elite Referee level joining Craig Thomson on the 24-strong list of the world’s leading referees.

His major domestic appointments include the Scottish Cup finals of 2013, 2015 and 2019, and the 2012 Scottish League Cup Final.

Teaching career Collum was principal teacher of the religious education department at Cardinal Newman High School in Bellshill.