Career
Australian rules football
Stynes played for Ireland"s winning team in the 2002 Australian Football International Cup in Melbourne. He was also selected for the All-Star Team, and returned with the team that reached the semi finals of the 2005 Australian Football International Cup. In 2011 David was appointed captain coach of the Moorabbin Kangaroos in the Southern Football League in Victoria.
Gaelic football
He also represented Dublin at under-21 & Senior level
In Australia, he represented Victoria in the Australasian Gaelic Athletic Association Championships.