Born in Tokyo in 1965. Graduated from the Department of Graphic Design at Tama Art University. After working for Hakuhodo Inc., became independent in 2000, and set up "Samurai", a creative studio in the same year. Has been engaged as a brand architect in numerous projects including the global brand strategies of Uniqlo and the Rakuten Group, the package designs and communication strategies of Kirin Lager Beer, and the renewal of Seven-Eleven Japan's private brand. Has written numerous books including the bestseller "Kashiwa Sato's Ultimate Method for Reaching the Essentials" which sold 200,000 copies, "Reaching the Solution: Kashiwa Sato's Creative Thinking Techniques" and the children's book "Sho-chan and Chikyu-kun. Let's always stay together". Has won many awards including the Mainichi Design Award and Tokyo ADC Grand Prix. Is also a special guest professor at Keio University and a visiting professor at Tama Art University.