Born in Aichi, Kei has lived in several places in Japan. He majored in art & visual communication at a university in the U.S. and architecture in Japan. After working for an architectural design firm, he joined TOPPAN INC as a spatial designer. While involved in interior & product design, and marketing, he developed a spatial simulator utilizing UnrealEngine. He established GEMINI Laboratory in 2021. This project aims to create a new business and community related to Mirrorworlds. They focus on merging the physical and digital worlds by providing a hub space containing material and spatial data with creators and engineers. Also, he has a strong interest in space industries. In the past, he participated in HAKUTO, the first private-sector lunar exploration project, as a pro bono. He is currently a member of SPACETIDE Foundation, which supports accelerating space business & its industries.