Born in Tokyo in 1983. Rintaro joined Whatever after working for Dentsu Inc. and serving as a full-time faculty member at Kanazawa College of Art. While engaging in a wide range of production works, focusing on planning and art direction across various mediums, he actively participates in cultural activities such as exhibitions at regional international art festivals, art museums, and design museums. His publications include “Noramoji” and “Creativity Drill for Adults” (co-authored).