Great series of videos in which Richard Levy, chairman of Varian Medical Systems, talks about what makes an effective board with Jim Balassone, executive-in-residence at the Markkula Center for Applied Ethics at Santa Clara University.
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.