The author, Christian Bellina, has been practicing karatedo in the style of Toyama Sensei, for over 30 years. Aside from his deep interest in the many different kata and their bunkai, ever since he started his training, he has also intensively studied the history of karatedo. However, it is the story of Toyama Sensei and his students, which has always particularly fascinated him.
Additionally, Christian Bellina holds seminars, all over the world, on the topics of the martial arts, their history, kata and kata bunkai. It is possible to contact the author under the following address: email@example.com.