[1][2][3][4] After retiring from playing, he first coached Cardiff Blues, before moving to Premiership club Wasps from 2011 to February 2020.
When Stuart Evans broke his foot playing against Tonga, Young was on the right side of the world at the right time and was called up to the Welsh squad.
[citation needed] Young became head coach of the Cardiff Blues in 2003, and during his time in charge led the side to the 2008–09 Heineken Cup semi-final and the final of the 2006–07 and 2007–08 Celtic League.
In addition, he led to the Blues to the EDF Energy Cup title in 2009 beating Gloucester 50–12 in the final at Twickenham.
Young led Cardiff Blues to the European Challenge Cup 2009-10 beating Toulon 28 - 21 at the Stade Velodrome in Marseille.
In 2013 the team also played in Hong Kong against the British & Irish Lions as part of their tour to Australia; the Barbarians lost 8–59, their largest defeat by an international side.