 He is the founder of the Katsudo-te-Jitsu style and is a 6th Degree - 2 grades above his highest ranking students.In 1984, Harold was the first Canadian Heavyweight Sport Ju-Jutsu Champion and represented Canada in the first world ju-jutsu championships sanctioned by the World Council of Ju-Jutsu Organizations (WCJO).At the 1984 World Championships, he was a member of the gold medal winning Canadian team (heavyweight) and also won the individual World Heavyweight Jiu-Jitsu Championship as the gold medal winner of the men's heavyweight fighting division.