The youngest of three rugby playing brothers who have all played rugby for Scotland. Kenny gained 39 caps for Scotland and played in 8 of the 13 games for the British Lions on their tour to New Zealand in 1993, including the first test. A member of the 1990 Grand Slam winning side, he played in two world cups. The Milne family hold the unique distinction of forming the entire front row for the Barbarians in 1989.

Since retiring from playing rugby he has coached Heriots F.P. to two First Division Championships and a Scottish Cup win.

Kenny is currently Director of Rugby and forwards coach at Heriots F.P and is a much sought after, after-dinner speaker on the circuit.