He is also a former head coach and General Manager of the Edmonton Rush and Colorado Mammoth, and a former NLL player.
After three years in Kitchener-Waterloo, Hamley was named an assistant coach to Bob McMahon of the Albany Attack, and took the team that had the league's worst offense in 2001[1] to the 2002 Championship game, losing at home to the Toronto Rock.
In the 2005 season, the Sting finished second in the Western Division, and beat both Colorado and Calgary to make it to the Championship game.
[4] Due to the Sting suspending operations for the 2008 season, Hamley joined the Colorado Mammoth as an assistant coach under Bob McMahon.
[8] On September 1, 2020 Hamley was named GM and VP of lacrosse operations for the expansion Panther City LC franchise.