Chiyomaru Shikura (志倉千代丸, Shikura Chiyomaru; born July 3, 1970) is a Japanese video game writer, lyricist and composer. He is the executive producer and former chairman of Mages. He planned and wrote the 2008 visual novel Chaos;Head, and subsequently other works in the Science Adventure series including Steins;Gate. He has also been credited with composing the opening and ending songs of the Science Adventure series.
Source: “Chiyomaru Shikura”, English Wikipedia (CC BY-SA 4.0), excerpt