Rubuta ci gaba don wannan sakin layi - Dubberley ya yi ritaya daga gasar a 2006 kuma a watan Nuwamba na wannan shekarar an nada shi a matsayin babban kocin kungiyar Rugby ta Wheelchair Rugby ta Australiya. Ya horar da tawagar zuwa lambar azurfa a Wasannin Beijing na 2008 da kuma Gasar Rugby ta Wheelchair Rugby ta Duniya ta 2010. Yana shirya tawagar a gasar Olympics ta London ta 2012
Ka yi haƙuri. Ya horar da tawagar kwallon kafa ta Australia a gasar Paralympics ta 2012, wanda ya shiga gasar cin kofin kwanaki biyar ba tare da nasara ba kuma ya lashe lambar zinare. Ya kasance babban koci a gasar Paralympics ta Rio ta 2016 inda kungiyar ta lashe zinare.