Yoichi Miyaji is one of the founder and former president of the game company “GAME ARTS”. He was a member of the Computer Entertainment Supplier’s Association of Japan (CESA), with Square Enix, Bandai Namco, Koei Tecmo and Gung-Ho Online Entertainment among its main business partners, some of whom developed or produced games in cooperation with the company. . He is now CEO of SIEG GAMES Co., Ltd. His main works are: “SHILPHEED”, “GUNGRIFFON”, “LUNA”, “GRANDIA” as executive producer.