Seidokan is a registered dojo of the American Judo and Jujitsu Federation. The AJJF is a nonprofit, tax-exempt corporation represented by Jujitsu, Judo and other martial arts schools across the nation, and the world. Registration in the AJJF is non-discriminatory. The AJJF promotes the Danzan Ryu system of Jujitsu. See www.ajjf.org for more information on the mission of our organization and the principles of Danzan Ryu.