Mr. Sato previously participated in R&D of pharmaceuticals at Kirin Brewery Company, Ltd. He served as Head of Development Division at Kirin Pharma Company, Ltd., and as Head of Pharmacovigilance and Quality Assurance Division, Head of Development Division, and Head of Research and Development Division at Kyowa Hakko Kirin Co., Ltd. (TSE, First Section: 4151). Mr. Sato was former member of the Board, Senior Corporate Officer, and Head of Research and Development Division at Kyowa Hakko Kirin. Mr. Sato graduated with a bachelor's degree in Political Science and Economics from Waseda University. He is a veterinary physician with a D.V.M. degree from the Faculty of Veterinary Medicine, Nippon Veterinary and Animal Science University (currently Nippon Veterinary and Life Science University).