The full version of my article in Ethical Boardroom – a magazine that I find to be quite impressive.
http://ethicalboardroom.com/leadership/corporate-governance-reform-in-japan/
The Board Director Training Institute (BDTI) is a "public interest" nonprofit in Japan dedicated to training about directorship, corporate governance, and related management techniques. It is certified by the Japanese government to conduct these activities as a regulated nonprofit. Read a summary about BDTI here, and see a menu of its services for both corporations and investors here.