The ryu, like many others in Japan, has been passed from teacher to senior pupil. The following lists all headmasters from Musashi sensei to the current head of the school:
The inaugration ceremony of Iwami-soke as 11th headmaster was held on December 20th, 2003 in Kokura. This day was designated as Seishin Chokudo no Hi – the day of choosing a straight path through life.