Risdon won the 2008 ATB Financial Classic in his hometown of Calgary in a playoff over George Bradford.
Risdon finished T-2nd at the Players Cup, T-4th at the Stockton Sports Commission Classic, T-10 at the Saskatchewan Open.
Broke through in 2007 by capturing the Telus Edmonton Open to win by a stroke over Alan McLean.
Risdon finished T-3rd at the Free Press Manitoba Classic, T-7th at the Desjardins Montreal Open.
He advanced to second stage of 2007 PGA Tour Q-School ending the 2006 season 29th on the Order of Merit and made 9 of 12 cuts with a pair of top-tens.