[2] Aikido Yuishinkai has many dojos operating in Japan, Australia, New Zealand, Singapore, the Philippines, Argentina, the Netherlands, Germany, Denmark, the United Kingdom, Norway, and the United States.
Koretoshi Maruyama was a personal student of the founder of aikido, Morihei Ueshiba, 4th generation, receiving a sixth dan,[3] and today travels the world giving seminars.
[4] The school focuses on four levels of aikido technique and is influenced by the Daito Ryu and Shinkage-ryū sword style.
In February 2016, Maruyama Sensei appointed Peter Kelly and Martijn van Hemmen as international instructors.
[5] In January 2019, he appointed Peter Kelly, tenth Dan,[6] as international chief instructor.