In 2007 Burden attended the High Performance Player's Course at the International Rugby Academy NZ (IRANZ).

Burden's Positional Coach was former Auckland Blues player Paul Mitchell and Course Facilitator former ITM Cup Coach for the Wellington Lions Chris Boyd.

[1] He joined French Top 14 side Toulon as a medical joker in 2013.

[2] He joined French Top 14 side Montpellier as a World Cup joker in July 2015.

[3] He joined French Top 14 side Stade Français as a medical joker in November 2015.