The Shintani Wado Kai Karate Federation (SWKKF) was founded by Hanshi Masaru Shintani in 1966. The SWKKF is one of the largest martial arts organization of a single style in North America. Current registered membership is approximately 2500 students with 400+ active black belts.
The greatest densities of members are in southern Ontario and Alberta, with continued growth in Saskatchewan, Manitoba, Northwest Territories, British Columbia and the USA. The SWKKF also supports a national team to represent the organization at various tournaments both within and outside the organization.