Karate instructor - Colin Charles Isaacs
- Commenced his karate training on 18 February 1975 with Karate Do.
- Graded to Shodan (1st Dan) on 28 July 1980 by Hugh St John Thomson
- Graded to Nidan (2nd Dan) on 9 April 1982 by Hugh St John Thomson
- Graded Sandan (3rd Dan) on 9 March 1985 by Kaiso Johan Roux
- Grade Yondan (4th Dan) on 4 June 1989 by Kaiso Johan Roux
- Left Karate Zen in December 1993 to train on his own and complete his academic studies
- Returned to Karate Zen 2002 and graded Godan (5th Dan) on 19 November 2004 by Kaiso Johan Roux
- Graded Rokudan (6th Dan) on 21 November 2009 by Johan Roux
Also...
- During his time with Karate Do he was a member of Karate Do Western Province Team
- He was also a member of the elite Karate Do 'A Squad'
- One of the founder members, together with Kaiso Johan Roux, of Karate Zen on 18 October 1982
- Appointed Full Instructor for Karate Zen in 1985
- Appointed as Chief Regional Instructor for Karate Zen Boland (1982 to 1985)
- Appointed Chief Western Province instructor for Karate Zen Western Province (1985 to 1990)
- Member of Karate Zen Shihankai
- Member of Senior Black Belt Grading Panel
- Leon Beech Leadership Award (2007)
- Heads up the Senior Black Belt Master Programme for Karate Zen
- Member of the Karate Zen National Executive
- Vice-President of Karate Zen
- Holds a Masters Degree in Education for a published thesis entitled 'Peace Education: Positive change via peer mediation.'