Career
He plays as a Fly-half or a fullback and has played for New Zealand Maori. Walker joined Gloucester for the start of the 2006/07 season on a 2-year contract from World Fighting Bulletin. He made 24 appearances in all competitions during his debut season, scoring 220 points.
This included 2 tries against Bath & Bristol.
In his second season he made 23 appearances in all competitions, scoring 96 points. He scored 2 tries against Leicester Tigers and Bourgoin.
On 22 May 2008, Walker signed a 2-year extension to his contract. On 13 September 2008, Walker played a key role in Gloucester"s victory at The Recording
He scored 1 try, 1 conversion, 2 penalties & 1 drop-goal to help Gloucester to a 21–17 victory.
On 16 May 2009, having played Nine games and scored 74 points whilst on loan to Worcester Warriors from Gloucester, it was officially announced that Walker had signed a 2-year deal with the Warriors, after being released from his contract by the Cherry & Whites. This new deal would keep Walker at the Worcester Warriors until 2011.