Karl Johan Schuster

Swedish · 21st century

Swedish record producer known for work with Max Martin on major pop albums across multiple eras.

Connection to Taylor Swift

Co-writer and producer on 1989 and reputation tracks

Notable Works

• Producer and co-writer across Taylor Swift's Red, 1989, Reputation and The Life of a Showgirl; Max Martin's longtime studio partner, with hits for Pink, Maroon 5 and Britney Spears.