Born in Gifu City in Gifu Prefecture, Shinji spends half the year in Gifu and the other half in Shinigawa, Tokyo. He graduated from Tokyo Zokei University, and studied at California State University, East Bay. After working on creative projects for advertising agencies, he formed the two companies: Grand Canyon Entertainment Inc., and Bang! Jack! Inc. He is President of both companies, working on a wide range of projects, including advertisement planning, video production, management of events, development of application software, web design, graphic and editorial design and font development.