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Eiko Hanshi Renzie Hanham

8th Dan

Eiko Hanshi Renzie has over 60 years’ experience as a martial artist and is a black belt in judo and an 8th degree black belt in Seido Karate, one of three senior instructors in the world in Seido Karate Do.

Sporting background:

A judo champion in his youth and the youngest judo black belt in New Zealand at the time, Eiko Hanshi Renzie was the South Island Open and Middleweight champion and was the third ranked middleweight in New Zealand.

Eiko Hanshi Renzie then went on to study karate, represent New Zealand, was the NZ middleweight champion, a finalist in the New Zealand Open and lived and trained in Japan under the world-renowned karate master Mas Oyama. While there, he was offered a contract to fight professionally and was a martial art model in the book ‘Advanced Karate’. Eiko Hanshi Renzie has also trained in New York on numerous occasions under his teacher, Kaicho Tadashi Nakamura, the founder of Seido Karate. He has also appeared in demonstrations at Madison Square Garden and in the movie ‘Strongest Karate’.

Eiko Hanshi Renzie has mentored and instructed literally thousands of people, has trained several world champions in Seido Karate and has taught in numerous countries.

In 1990 Eiko Hanshi Renzie along with Eiko Hanshi Andy Barber was part of a team invited to Tokyo to represent New York, to give demonstrations at the Meiji shrine and help in conducting seminars and appeared on prime-time television.

Mental Conditioning:

Eiko Hanshi Renzie is a director of Gazing Performance Systems, an international company based in London that specialises in improving performance under pressure. The company has trained people in over 60 countries and clients include major multi-national blue-chip companies, government departments and leading sporting organisations. The company trains in the areas of sport, business and education. Eiko Hanshi Renzie is co-developer of many of the materials used by the company. Along with Jun Shihan Bede Brosnahan, he has run workshops for such diverse people as the Gurkhas (in Brunei), a High School in NSW, schools from Soweto plus talks for various corporates. He is also responsible for much of the graphic and design input.

Eiko Hanshi Renzie has worked with a large number of sports people, both in New Zealand and overseas including the English Rugby Union’s High-Performance Department, co-conducting seminars and workshops for coaches, players and referees.

Eiko Hanshi Renzie has worked with a number of world and Olympic champion athletes in a variety of sports including triathlon, duathlon, aquathon, swimming, croquet, Seido karate, speed boat racing, multi-sport and adventure racing. He has also attended the Olympics with the NZ triathlon team.

Eiko Hanshi Renzie has worked with a national champion hockey team, gymnasts, trampolinists, rifle shooter, swimmers and three Coast to Coast winners and has also conducted cross training sessions for the New Zealand rugby team ‘The Crusaders’ and has worked for the Canterbury and Crusaders rugby team. In addition, Eiko Hanshi Renzie has worked alongside Dr Ceri Evans [Kyoshi Ceri], when seconded to work with the All Blacks in 2010/2011. He also worked for 3 years with the Silver Ferns netball team.

Along with another Gazing director, Dr Ceri Evans, Eiko Hanshi Renzie was invited to give a talk on mental conditioning at Oxford University.

Eiko Hanshi Renzie is also a well-established graphic designer and illustrator and was a judge at the New York Art Directors Club International Awards.

Eiko Hanshi Renzie is currently working with the Sports Scholars at Lincoln University.


Together with Dr Evans he contributed to Mind Games– a book concerned with the mental aspects of performance published in London, 2004.

Eiko Hanshi Renzie Hanham
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