Patrick Cassidy is a 6th dan Aikikai Aikido instructor. He is a founder and a Dojo-Cho at Aikido Montreux in Switzerland.
Hitohiro Saito was born on February 12, 1957, in Iwama City, Japan. He is an Aikido instructor and a founder of the Iwama Shin-Shin Aiki Shuren-kai, a traditional Iwama style Aikido organization with about 60 Dojos around the world.
Ulf Evenas Shihan was born on 3 November 1946 in Trollhattan, Sweden. His Budo way began with a Kyokushin Karate but soon after, in 1968, he switched to Aikido which he studied under Carl Hansson in Gothenburg who had a background in Judo, Ju-Jitsu.