Work experience -

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work experience:
Owner all-round sports place since 1981 till 2018
(Medical)-Fitness instructor

Trainer/teacher in judo – jujitsu – karate – Tangsoodo since 1981
Also active in BJJ - aikido – boxing – karate in three styles

Giving seminars and referee courses National Federation, JBN
Giving seminars and international referee courses JJIF / EJJU
Observer – coach – examiner at international tournaments and courses JJIF
Senior Supervisor for Fighting-System at All Japan Ju-Jitsu Federation

National Judo and Jujitsu referee (1980 till 2022)
International Jujitsu-referee (1983 till 2022) JJIF

Organizer of national and international tournaments
Founder of the Japanese Fighting-System Ju-Jitsu
Member of developing commissions in JBN – Fitvak
Developer of Groundfight - Youth-Newaza
Defensibility training at schools for 25 years

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