Tetsuya Takahashi (高橋 哲哉, Takahashi Tetsuya) (born November 18, 1966 in Shizuoka Prefecture) is a Japanese video game designer and director. Takahashi worked at Square (now Square Enix), in the 90s as a graphic designer and director, participating on some of their most well-received titles such as Final Fantasy V, Final Fantasy VI and Chrono Trigger. In 1999, he left Square to co-found Monolith Soft, Inc., where he would produce the Xenogears (Square), Xenosaga (Monolith Soft/Namco) and Xenoblade Chronicles (Monolith Soft/Nintendo) series, his most notable works. He is married to Soraya Saga, who also worked with him at Square Enix, as well as on Xenogears, Xenosaga, and Soma Bringer.