Founder of Mizu-no-kokoro Ryu Ju-jitsu

Christian Hvidberg was born in 1966, in Hjørring, Denmark, where he started his martial art training in 'Hjørring Jiu-Jitsu and judo club' in 1976: His parents had trained Judo and Jujitsu there for many years, so it was natural for him to chose this direction in life.

He started out with Ju-Jitsu, and later added Judo to his training in Hjørring.


From 1979-1985 he was a member of Dansk Judo Union.


From 1984-1992 he was a member of the World Ju-jitsu Federation.


In 1979 Christian won a silver medal in Judo, at the Vendelbo cup in Skagen.

in 1981 he won a silver medal in Judo, at a Nordic championship, in Keflavik Iceland.

In 1982 he won a gold medal in Judo, at the danish championship of region vest, and a gold medal in the Danish championship. Was awarded a sports award of Hjørring concil, for his results in competing in Judo.

in 1983 Christian won a silver medal at the Danish cahmpions ship in Judo. 

In 1986 Christian moved to Aalborg, so he started training at ’Aalborg Self Defence and Ju-Jitsu Club’, and a few years later he also began practicing Tae-kwon-do along with jujitsu, for about 4 years.

In 1988 Chrisitan won a gold medal at Danish championship in Self defense, and a gold medal at the Jigotai-cup in Denmark.

In 1989 he won a silver medal at the Danish championship in Self defense.


In 1990 he won a bronze medal at the Danish championship in Self defense, and gold medal at Jigotai-cup, in Denmark.

in 1991 he was graded 1. dan in 1991, by Allan Campbell from the World Ju-jitsu Federation, and won a gold medal at the Danish championship in Self defense, and won a gold medal at Jigotai-cup in Denmark.This year Christian became a member of the Bushido Ju-juitsu Academy.


Was a member of United Nations of Jujitsu and Dansk Ju-jitsu forbund from 1993-1998

Certificates :

Christian Hvidberg

Founder of the Mizu-no-kokoro Ryu Ju-jitsu system


''It has been my goal to create a ju-jitsu system that is interesting for the students to train,

and at the same time making a system that will learn each individual to protect them self's.''

in 1993 he was graded to 2. dan Ju-jitsu by Txema Domenech, Spain and Jhonny Bernachewice, Belgium.


In 1995 Christian was appointed Chief Instructor and Technical Coordinator for Aalborg Selvforsvar og Ju-jitsu Klub. , this year he won a siver medal in United Nations of Ju-jitus's duo games.


in 1996 he was graded to 3. dan in Ju-jitsu by Jhonny Bernachewice, Belgium and Txema Domenech, Spain.


In 2000 Christian founded the Jujitsu system 'Mizu-no-kokoro Ryu Ju-jitsu’

The technical side of the system is a mix of different martial arts, but the core of the system is inspired by the Tsutsumi Hozan ryu Ju-jitsu, Aiki-Jutsu, Kenpo, Aikido and have also some influence from filipino styles. The system is continusly polished and refined to meet the demands that are expected from a moderne Ju-jitsu system. Gradings in this system do not come easy, it is hard work physically and mentally.


Christian Hvidberg practiced Iaido from 1998-2010

Throughout the years Christian Hvidberg have taught Ju-jitsu and self defence in Denmark, Norway, Sweden, Belgium, Holland, Estonia, Australia, Mexico, Iceland, Germany, Spain, Japan, England, Kazakhstan, Canada, Russia and USA.


Beside Ju-jitsu Christian has throughout the years, on and off practiced Aikido, Arnis, Aiki-jutsu,Tae-kwon-do, Judo and Kenpo.

Since 1989 Christian has taught and graded hundreds of children and adults in Ju-jitsu.


Christian has also participated in 5 episodes about self defence on the Danish tv channel: TV Danmark.


In 2003 he was graded to 4. dan Ju-jitsu by Jhonny bernachewice, Chi ryu Ju-jitsu, Belgium.


In 2004 participated on the Danish national Iaido team at the European Championships for Iaido in Stocholm, Sweden.


Christian have been practitioner of Zen Nippon Kendo Renmei Iaido since 1998, and was graded

Shodan in Iaido, in 2004 when he participated in the European championship in Iaido in Stockholm, Sweden. The EM in Stockholm was organized by the European Kendo Federation.


In 2006 Christian Hvidberg and Terje Theiss founded the company Sence - SCMS

Sence Conflict Management Systems, that teaches reality based self defence. SCMS teaches all kind of professions that deals with physical conflicts and also teach civilian self defence.


In 2008 became a member of the Martial Art Alliance

Christian founded the selfdefense competition QRD - Quick Response Defense. Where participants get their selfdefense skills tested on a competing level.

Was promoted to the title of "Kyoshi" in october 2009, recognized by Steve Barnett.


Was certified as Personal Defense Readiness Fundamental Coach, in Blauer tactical system in january 2010, in Vancouver Canada.

In 2010 became a member of Goshin Ryu International

Was graded to 6th dan  in Ju-jitsu in december 2010, by Steve barnett.

Did his 2nd fundamental coach certification in Tony Blauer's SPEAR and PDR system in june 2010 in Lancaster, England.

November 2011, Christian made the first preparations for making of the World Alliance of Martial Arts.


In 2012 he was the co-founders of the World Aliance of Martial Arts, together with Steve Barnett from UK and Ralf Karp from Germany.

In March 2012, he became the Danish representative and Administrative coordinator, of the World Alliance of Martial Arts.

Became a member of BBA Black Belt Alliance in September 2012.

Was in April 2012, honored by being recognized by the Jujitsu Federation of Kazakhstan, to be inducted to their Martial Arts Hall of Fame.

In 2013 Christian was appointed as the National Technical Director of WAMA Denmark.

Was graded to 7th dan in Ju-jitsu by Steve Barnett in October 2014, at the celebration seminar of the 40th years of anniversary of ASJK

Was appointed as the President of WAMA in 2015-2016.

In 2016 Christian celebrated his 40 years of anniversary in Martial Arts with his friends in Kazan, Russia, with a big seminar and party.





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