[3] A centre, Matson represented Canterbury at a provincial level and the Crusaders in Super Rugby.

That team went on to win the Gold Coast and District Rugby Union senior club competition (in his absence as he joined Canterbury as an assistant near the end of the season).

[8] In 2012 he was hired by the Brazil Rugby Federation as a consultant as they began their journey towards the 2016 Rio Olympics.

After two seasons, he left his coaching role at the club to become performance director overseeing both the men's and women's sides.

[15][16] In August 2024, following his stint at Harlequins he joined Japan Rugby League One side Black Rams Tokyo as head coach.