Education
He attended Mountain Roskill Grammar and Kings College in Auckland, New Zealand.
He attended Mountain Roskill Grammar and Kings College in Auckland, New Zealand.
After a great season in the 2003 Non-Player Character for Auckland he was drafted by the Crusaders for the 2004 Super 12. His debut was against the New South Wales Waratahs and went on to play 7 games that season. In 2004 the Koonwaiyou was contracted to play for the Blues but a severe injury halted his rugby future.
In 2008 Koonwaiyou signed with Southland but another injury sidelined him for the whole 2008 Air New Zealand Cup.