Currently, Yoshihiko Hatanaka is Chairman of Astellas Pharma, Inc. He is also on the board of Sony Corp. In his past career he occupied the position of Chairman & Chief Executive Officer of Astellas Pharma US, Inc., President & Chief Executive Officer at Astellas US LLC and Director-Corporate Planning at Fujisawa Pharmaceutical Co., Ltd. He received an undergraduate degree from the University of Hitotsubashi.