Seiji Tanaka Shihan (8th Dan, Tomiki Aikido) originally studied Tomiki aikido in Japan. He then relocated to Colorado, United States. He is the founder of the Colorado Aikido Association and has served as Board Chairman of the Japan Aikido Association USA since 1990.

This demonstration includes kumitachi, tachi-dori, and tanto-dori using all the basic one-on-one techniques in Tomiki Aikido.