Dr. Sokyo Ono was a professor at Kokugakuin Daigaku, a Shinto university in Tokyo, and lectured for the National Association of Shinto shrines. He also served as Executive Director of the International Institute for the Study of Religions and the Japan Religious Co-operative Council.

William Woodard directed the research unit of the Religious and Cultural Resources Division, Civil Information & Education Section, SCAP from 1946 to 1952.

Hector Garcia was born in Spain and worked in Switzerland before making his home in Japan over 15 years ago. His popular blog kirainet.com led to his internationally successful book A Geek In Japan. Along with Francesc Miralles, he is the co-author of the international bestseller, Ikigai: The Japanese Secret to a Long and Happy Life.