Career
Since 2010 he has been part of the Mount Albert Lions. Early years
Sturm was a Glenora Bears junior. He played in the inaugural Lion Red Cup season with the Counties Manukau Heroes, starting for the Heroes in the grand final which they lost to North Harbour.
English career
After standing out in New Zealand, Sturm moved to England and joined the Huddersfield Giants in the Super League.
After playing in 46 games for the Giants, Sturm joined Workington Town in the Northern Ford Premiership for the 2000 season. In 2002 Sturm left Workington for the Warrington Wolves.
He played another 19 Super League games over three seasons before again moving on. Sturm played in 27 games for Leigh over the 2005 season but they were relegated at the end of the year.
Return to New Zealand
Sturm played for the Auckland Lions in the 2007 Bartercard Cup grand final.
Sturm represented New Zealand Māori in 1995 and 1996 and the Lion Red Cup XIII in 1995.