Mr. Arnt has been with Omega over 25 years. He has been the owner and operator of our Castle Rock school since 2006. He is 4th degree black belt in Tae Kwon Do and 2nd degree black belt in Judo.

Kwon Jon Nim Arnt is the Castle Rock representative for the Guardian Angels. The Guardian Angels has chosen Mr. Arnt and the Castle Rock school as an official training site.

Mr. Arnt is a wonderful instructor, husband, father and grand-father. His son also helps teach with him and his wife administrates the school.

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2011 US JU-JITSU & JUDO NATIONAL CHAMPIONSHIPS
Competition includes: Ju-Jitsu Fighting, Ju-Jitsu Self Defense (Duo & Free Form), Ju-Jitsu-Grappling, Ju-Jitsu Kata, Judo Fighting & Judo Kata..!
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