Musician. Born in Tokyo, 1973. He graduated with a degree in composition from Tokyo National University of Fine Arts and Music. In 2002, he established ATAK, which functions not only as a music label, releasing CDs of domestic and overseas cutting-edge electroacoustic works, but also embraces creators in various fields such as design, network technology and so on, as well as being a kind of "platform" to develop dynamic new work. Later in 2002, SHIBUYA Keiichiro was involved in the commenmoration CD of founding of Mori Art Museum. In 2003, he released a CD "ATAK002 keiichiro shibuya + yuji takahashi" in collaboration with TAKAHASHI Yuji, a Japanese composer/pianist. Later in 2003 ATAK made a domestic concert tour with Icelandic stilluppsteypa. In 2004, he released his first solo album "ATAK000 keiichiro shibuya". His dense composition in that he drastically focused in sound material(color) and rhythm, was described as "a perfect work that rules over the history of electronic music"(SASAKI Atsushi).
SHIBUYA has been continuing collaboration with TAKAHASHI Yuji(composer/pianist), IKEGAMI Takashi(complex system researcher/associate professor at Tokyo University) and FUJIHATA Masaki(media artist/professor at Tokyo National Unicersity of Fine Arts and Music). In 2005 SHIBUYA and IKEGAMI started their collaboration as they exhibited a sound installation work at ICC (NTT Intercommunication Center, Tokyo Oprera City) and made a concert-style presentation to unveil the "The Third Term Music," a music theory of sound variation and the motion dynamics based on nonlinear sciences.
His latest album "filmachine phonics" and installation work with IKEGAMI Takashi, "filmachine" were awarded honorary mention in the digital music division at Ars Electronica in 2007. Currently, he works for a pedestrian crossing signal music project as an electroacoustic specialist as well as working as a musician International Association of Traffic and Safety Sciences; for the project he composes music from the viewpoint of urban design in place of the previously-used melody "Toryanse".

Moreover, the presentation of his 3-dimentional installation "filmachine" in Tokyo is already decided for March 2008. Currently, he works as an adjunct professor at the Tokyo National University of Fine Arts and Music.