Career
He is the identical twin brother of fellow referee David Changleng. On the international scene, Changleng"s most prestigious refereeing appointment came on 9 June 2007, when he officiated a match between South Africa and Samoa. He also refereed 2007 Rugby World Cup qualifying matches in both North America and Europe before being named as one of 13 touch judges for the 2007 Rugby World Cup in France, where he was the only Scottish official named.
In January 2008, Changleng retired from professional refereeing in order to spend more time with his family and return to his teaching career at Earlston High school, although he has remained active as a part-time referee.
