The Ninja, the Secret History of Ninjutsu

Kacem Zoughari is a researcher on Japanese studies and holds a Ph.D. in the history of Japanese classical martial arts. Zoughari is an internationally recognized authority on the Japanese martial arts and is also a licensed instructor of Ninjutsu. He conducts seminars in the United States, Canada and Europe.

Shihan Christopher Davy holds a tenth-degree black belt under Dr. Masaaki Hatsumi Soke of Japan. He has been training in the martial arts for over 30 years.