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This page provides basic information on special appointments within the Jikan Kai. For further information please feel free to Contact Us.

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Hanshi, Jikan Kai Association

Saiko Shihan, Seiken Shudo Kai Association

9th Dan, Shito Ryu Karate
Other Arts - Iai, jujutsu, taichi, Okinawan kobudo.


Sei Iwasa was born in Nagasaki, in May 11, 1955. He began practicing karate in 1967 with the late sensei Eiji Ogasahara 10th dan, who was a student of Kenwa Mabuni, the legendary founder of Shito Ryu Karate.

Master Iwasa is the chief representative in Europe for the Japan Kenshukai Karate Association (JKKA). He moved to Europe in 1981 and alongside jujutsu master Yuji Matsuoi, he founded the Seiken Shudo Kai Cultural Association to promote Japanese martial arts and culture. 


Master Iwasa has held many various leadersip posts in European karate, past and present. He served as the president of the World United Karate Organisation, WUKO&AD until 2019 and also as the technical director for the Italian national karate federation, FESIK.


Today, master Iwasa is the Technical Director for our organisation, Jikan Kai. Jikan Kai president and Chief Instructor Jacob Greasley sensei, is a personal student of master Iwasa and regularly visits or hosts him to receive training.

Technical Director - Karate

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Chairman, Japanese Budo Association

Menkyo Kaiden, Muso Jikiden Eishin Ryu (Iaido)
Menkyo Kaiden, Shinkage Ryu Hyoho (Kenjutsu)


Master Yasuhito Asano is the chairman of the Japanese Budo Association in Tokyo and the director of the Seishinkan school of swordsmanship in Japan. Asano sensei is a succesful attourney by profession. In his youth he practiced and excelled in various martial arts and today is well known as the successor of two classical schools of swordsmanship which date back hundreds of years.

Along with other masters and directors in the board of the Japanese Budo Association, Asano sensei is a special advisor to the Jikan Kai for our practice of traditional Japanese budo.

Technical Advisor - Nihon Kobudo / Koryu Bujutsu

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Events Coordinator and Translator - Italy


Giuliano Bottegal sensei is a professional engineer and runs his own dojo in Belluno, nothern Italy. He is also a student of grandmaster Iwasa for over 20 years.

Giuliano sensei is a very close friend of the Jikan Kai and has been our guide and event coordinator on many training trips to Italy. He has also travelled to train with our dojo on a few occassions. He has been highly instrumental in our accomplishments over the past decade due to his generosity and his command of both English and Italian, his native language.

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Events Coordinator and Translator - Japan


Ami is a student at Kansai University and specialises in English language and culture. She is originally from Osaka and has been very instrumental in our training trips in Japan, acting as both a guide and a translator. 

Ami has experience in tourism and hospitality and has used her local insights and experience to make our training in Japan highly memorable experiences. Going forward, Ami has agreed to be our official guide and translator on our regular trips to Japan.

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