Sensei Todd Crabtree has studied Tomiki Aikido for most of his adult life under Master Mike Stanhope. He earned his third degree black belt (San Dan) in 2014. In 2010, he was asked by tenth degree black belt Don Madden, founder of the Akju Federation to found his own school. That same year, the Seishin Ryoku dojo was founded. In addition, Sensei Crabtree became a Usui Reiki Master in 2009. He also works as a professor at the University of Rio Grande as an aikido instructor. In 2014 he began teaching Seiei Kan Iaido and earned the rank of Oku Iri in Iaido in 2016.