Tetsuya Mizuguchi



Tetsuya Mizuguchi（水口 哲也）is a Japanese video game designer, producer, and businessman. Along with ex-Sega developers he is the one of the co-founders of the video game development firm Q Entertainment. He formerly worked for Sega as a producer in their Sega AM3 'arcade machines' team, developing games including Sega Rally Championship and Sega Touring Car Championship, before moving on to become the head of Sega's United Game Artists division, the team responsible for Rez and Space Channel 5. Mizuguchi is known for creating video games that incorporate an emphasis on interactive sound design, evidenced by Rez, Lumines, and Child of Eden.

Recently he retired Q Entertainment and founded Enhance Games.