 In 2007, he coached the New Zealand Under 19s at the World Championships in Ireland, where they went undefeated, beating South Africa in the final 31–7, winning the competition for the first time since 2004.In March 2008, Rugby Canada announced that Crowley would be replacing Ric Suggitt as head coach of the Canadian national team.On his announcement, he recognized that Canada was always recognized as a physical side, but Crowley wanted to put more of an emphasis on the development of skills and their attacking play.