He made his debut for the Chiefs in 2001 when he got picked from Counties-Manukau. In 2003 he joined the Wellington Hurricanes rugby franchise, for whom he played over 30 matches before returning to his roots and once again playing for his original team, the Chiefs. He played in the 2006 Churchill Cup for the New Zealand Maori where he scored a number of tries. In the 2007 Super 14 season he will again play for the Chiefs.
In February 2008, Ormsby became the subject of a weekly column in the Franklin County News with his thoughts on the Chiefs 2008 Super 14 campaign. The column was entitled 'Whispers from the Chiefs' – a word-play on his nickname 'Whispers'.
On 28 May 2008, he signed a two year contract to join Sale Sharks, where he currently plays Second Row