Kyoshi Brett Harrison




6th Degree Black Belt


Head Instructor, Co-Founder


Chief Instructor of the Happy Valley Dojo for the past 23 years.


33 Years experience having trained in Boxing, Goju Kai Karate, Zen Do Kai Karate, Golden Knights Karate, Genesis Karate and Doce Pares.


Experience in the Security Industry having provided security for Madonna, Michael Jackson, U2, Paul McCartney, Private functions etc.

Years with the Dept of Defence – Army, with experience in Physical training instructing and Unarmed Combat.


Accreditation with MAIA (Martial Arts Industry Australia), Level 2 Coaching accreditation specific to Martial Arts.

Qualified Incident management and Operational Safety Trainer (Including firearms).

Level 1 Qualifications in Public Order Management (Riot training).

MAIA patch
NMAS logo green


Kyoshi Brett Harrison
Shihan Ant’z Veen

Zanshin 残心

Zanshin 残心 is a term used in the Japanese martial arts. It refers to a state of awareness - a state of relaxed alertness. The literal translation is remaining mind.

Please note that the Holdfast & Happy Valley Dojo's are temporarily closed from 18th March due to COVID-19 restrictions.

Clapham Dojo is expected to follow - please contact Shihan Ant'z for confirmation. Our FaceBook group is also regularly updated with additional information.

- Shihan & Kyoshi