Takumi Yamazaki is a best selling author in Japan. He has authored ten successful titles in the category of business which have sold a cumulative total of over eight hundred thousa...visualizza altroTakumi Yamazaki is a best selling author in Japan. He has authored ten successful titles in the category of business which have sold a cumulative total of over eight hundred thousand copies. A self-made millionaire, Takumi travels around the world giving seminars on motivation. He presently lives in Tokyo, Japan.visualizza meno