The World Genbukan Ninpo Bugei Federation is an international organisation headed by Grandmaster Shoto Tanemura sensei. The schools are a mix of Ninja (ninjutsu/ninpo) and Samurai traditions dating back over 1000 years that were developed and practiced for combat survival. Due to the nature of the techniques, Genbukan Ninpo Taijutsu is not a sport and there are no competitions.

In the interests of maintaining the integrity of the ancient ninja tradition, Grandmaster Tanemura founded the Genbukan in November 1984. The Genbukan is dedicated to the factual portrayal and teaching of the ninja arts in the traditional Japanese manner. The federations ensure the credibility of instruction and the ranks of all its members. All instructors are personally certified by Grandmaster Tanemura.

The physical training taught by the Genbukan is focused on the use of Tai-sabaki, or the use of refined body movement to facilitate the skilful use of self-protection techniques, as opposed to using techniques which rely solely on muscular strength. Training is usually conducted with students working with partners so that they can develop correct timing, distancing, and body mechanics. Since the training is skill oriented, and not strength oriented, it has proven itself to be highly effective means of handling a confrontation with larger and stronger opponents and while natural speed and strength decline with age constantly practiced skills will improve over time.