Keiichi Okabe (岡部啓一, Okabe Keiichi, born May 26, 1969) is a Japanese composer best known for composing music for Nier and its sequel Nier: Automata, along with Tekken 3. He started his career as a video game composer where he worked at Namco between 1994 and 2001, primarily composing for arcade games. Outside of video games he has composed for anime series such as Working!!, along with tracks for J-pop artists such as Ryuichi Kawamura. Since 2004 he has been running music production studio Monaca.