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Sensei Andy Bidder 4th Dan is the Senior Club Instructor at Brentwood Ishinryu Karate Club. Andy has been training in karate for 26 years and has excellent competition knowledge and experience up to National level, competing in the UK and in Australia.

In 2006, after returning from Australia, Andy reformed Brentwood Ishinryu. Andy is an Ishinryu Association referee and is qualified in Sports First Aid.

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Sensei Jack Herbert 3rd Dan is a senior club instructor at Brentwood Ishinryu. Jack started training in karate in 1990 at the age of 40, training under Peter Spanton in the style of Higashi.

Jack joined Brentwood Ishinryu in 2010 and is qualified in Sports First Aid.

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