Koji Sugimoto is a game designer for Square Enix. In his early days with the company, he acted as a programmer of visual content for such titles as Chrono Trigger and Xenogears. His most notable role with Square was on the 1999 Playstation action RPG Threads of Fate. Sugimoto served as director and character programmer. For Final Fantasy X and X-2, he acted as main character and real-time graphics programmer, repectively.