Colin was brought into the Warriors team during season 04/05 and had some impressive performances at full-back, which led to his professional contract.
Colin is a flexible player, who can switch from full-back to the wing.
Colin has represented Glasgow and Scotland at all age levels, including the 2002 world junior (under-19) championship in Italy and the 2003 Under-21 World Cup in England.
He played for the Scottish Districts under-21 team in the 49-14 win against New Zealand Youth at Stirling in November 2003 as well as adding to his international under-21 honours by playing in all six matches in the second half of the season.
Colin, who was born in Irvine and originally played for Ayr, then joined Glasgow Hawks where he was called-up to the Glasgow professional team.
Colin is also a member of the Scotland sevens squad.