Born 1965 Tokyo. Tama Art University. Joined Hakuhodo 1989, founded Samurai Inc 2000. Defined UNIQLO's global brand identity 2006-present (red square logo, store design, advertising). Designed 7-Eleven Japan rebrand, Honda Stepwgn, Tsutaya T-Card, Rakuten logo, Imabari Towel. Most influential Japanese commercial brand designer. Visiting professor Tama Art University. Author 'Kashiwa Sato's Ultimate Method to Reach the Essentials'.