On 31 January 2019 Maruyama sensei appointed Peter Kelly as International Chief Instructor.
More information: https://www.aikidoyuishinkai.org/international-chief-instructor
On July 4 2020, Maruyama sensei granted the International Chief Instructor of Aikido Yuishinkai, Peter Kelly, the rank of 10th dan.
More information: https://www.aikidoyuishinkai.org/peter-kelly-10th-dan