Stephen “Koz” Kozmeniuk is a record producer and songwriter. He first received major recognition in 2015 for his production credit on “The Blacker the Berry,” which appeared on one of the most celebrated hip hop albums of the 2010s, Kendrick Lamar’s To Pimp a Butterfly. KOZ does however mostly produce pop music, Dua Lipa being his most frequent collaborator. He has also worked with Madonna, Carly Rae Jepsen, Hailee Steinfeld and The Game.