Paul Sebastien, born Paul Sebastien Skrowaczewski, is an American musician, producer, composer, marketing officer and businessman. He is best known for the being the frontman of the techno group Psykosonik, where he has been involved with singing as well as writing music and lyrics. He also composed for many video game soundtracks and worked in-house at Thomas Dolby's company Beatnik, which acquired his music publishing company Power of Seven. He has since worked as a manager and marketing officer for a number of companies, including Microsoft, Zipper Interactive, Offensive Security and currently at an unannounced Web3 startup. He is the son of the late Polish-American composer Stanisław Skrowaczewski.