Glen has been training in various Martial Arts from a very young age; attaining the rank of Black belt in Karate at the age of 14 in 1986 and going on to eventually reach the rank of 6th Degree black Belt in 2004.

As a compliment to his Karate based training Glen and his team hosted John Will for their first of many BJJ (Brazilian Jiu Jitsu) seminars in 2001. This seminar was a turning point in not only his martial arts training, but his thought processes behind teaching and delivering material in both the Karate and BJJ classes.

Early 2007 saw Glen move away from the traditional elements of Martial Arts and focus on his core passions of BJJ and Mixed Martial Arts with several of his top students, this group soon flourished and developed into what is now known as Submission Martial Arts.

Glen was awarded his Blue Belt in November 2004 and his Purple Belt in March 2009 during a seminar at GSW.

Leaving Auckland at the end of 2007, Glen established the Porirua academy of Submission Martial Arts early 2008.

Glen currently teaches 3 BJJ and one MMA class per week, as well as private lessons.

Outside of teaching BJJ & MMA Glen holds down a fulltime job as a corporate Head Hunter and is married with two young boys who keep him very busy.