Originally posted by outrageous02909
does anyone know why the why the leader of shinjinkai left the AAA.
The situation was simply that Toyoda Sensei died suddenly without leaving any definite plan as to how the organization would continue. After serving for some time as one of the Directors of the organizations, he was unhappy with the direction things were going, including what he perceived to be a general trend toward a watering down of the training curriculum. For those reasons he split off along with other senior students (e.g. David Miller Sensei) to start their own organization, preserving what they saw as the training system that Sensei left us in both Aikido and Zen.
Hope that helps!