Eiko Tanaka (田中 栄子, Tanaka Eiko) is the chief executive officer and the president of STUDIO4°C, an animation studio she founded in 1986. Tanaka is also the chief executive officer of a producing company called Beyond C. Eiko Tanaka was an animation producer on TEKKON KINKREET and MIND GAME, both STUDIO4°C films. She was also a producer on The Animatrix project. Tanaka previously worked with Studio Ghibli as a line producer on My Neighbor Totoro and Kiki's Delivery Service.