Shodai Tverin

8 Dan 八段 JuJutsu (Hachidan). April 2-2022 Kyoshi

7 Dan 七段Taiho Jutsu (Shishidan) April 2-2022 Kyoshi

7 Dan 七段 Karate (Shishidan)  October 7-2022 Kyoshi

Founder of Ronin Do Karate & Ju Jutsu and President of Ronin Do International
Kyoshi Tverin began his training in Martial Arts at the age of 13 and has been actively training since then. He studied directly under Grandmaster Ernesto Castro for over 20 years. GM E.Castro was a private student of GM R. Cocatré and Technical Director of R. Cocatré int. De Bushido.
In the early ‘90s Kyoshi Tverin also studied and taught Muay Thai. In addition to this he also trained in boxing during 1990-1992 and 2001-2002 and Tae Kwon Do during 1995-2007.

Kyoshi Tverin was on the board of the Medical Committee of the National Governing Body of Martial Arts in Sweden (Swedish Budo and Martial Arts Federation) beetween 2009-2013 and the Swedish Kyokushin Federation (also under Swedish Budo and Martial Arts Federation). 2012-2013
Januari 2011 Kyoshi Tverin was inducted into the Action Martial Arts Magazine Hall of Honour. Kyoshi received ”Outstanding contribution to the Martial Arts” This was held at the Tropicana Hotel in Atlantic City, USA and Kyoshi was reelected for the same Award in jan 2013 and jan 2015
Sep 2015 Kyoshi got inducted into International Hall of Fame in Cape Verde
During the years Kyoshi Tverin has been Awarden several prestigues awards in different Hall of Fames. Twice in Lisbon. May 2011 May 2012 May 2014 and May 2015
In June 2009 Kyoshi Tverin was inducted into the ”London International Martial Arts Hall of Fame”

Kyoshi Tverin also holds following grades:
5 Dan 五段 Nihon Kobudo  (Cala Montjoi, Spain June 16th 2012)
3 Dan 参段/三  WTF Tae Kwon Do (Maj 2008)
1 Dan 初段 Aikido ”Cocatre” (June 1994)

Like in so many other styles and Arts Kyoshi found it impossibel not to go his own way and start Ronin Do International. due to his increased knowledge in areas like Biomechanics, kinesioligy, how the nervous system works, mental training for both sports and self-defence.
Since the start in 2005 Ronin Do International has grown rapidly and are in 3 continents
Kyoshi  Tverin is often invited to both National and International camps as a instructor and has taught in the USA, UK, Spain, Germany, Portugal, Belgium, Denmark, France, Croatia and of course Sweden where Ronin Do Honbu Dojo is situated.

The style of Ronin Do is a contemporary Self-Defence system. Karate, Ju Jutsu and Kickboxing are all practiced within the contemporary self defence system of Ronin Do and techniques that only have historical value and function are eliminated. All techniques are adapted to ensure that they are as effective as possible and the performance is based on a modern athletes physiology/psychology with a strong focus on the pupils own safety.