[1] He grew up in the Sydney suburb of Engadine, where his parents built the local squash centre under their family home.

In his early teens he moved with his family to Brisbane, where he attended Everton Park State High School.

[3][5] Martin was runner-up at the British Open three times in 1988–1990 (losing to Pakistani player Jahangir Khan in the final on all three occasions).

[6] In Australia he coached such players as his sister Michelle, Stewart Boswell, Anthony Ricketts, Paul Price, Dan Jenson, Cameron Pilley, and Kasey Brown.

Some of the players he has coached since moving to the US include Mohamed El Shorbagy, Ryan Cuskelly, Zac Alexander, Abdulla Al-Tamimi, Peter Creed, Chris Hanson, and Christopher Binnie.