Keiichi Okabe is a Japanese composer and arranger, best known for composing music for the Tekken and Drakengard series. He started his career at Namco in 1994, where he primarily composed for arcade games. Outside of video games, he has composed for anime series such as Working!! and Yuki Yuna is a Hero, along with arranging tracks for J-pop artists. He established the music production studio Monaca in 2004, which composes for various types of media.