Jørgen Træen also known by his stage name Sir Duperman is a Norwegian record producer, musician (guitar, keyboards and bass guitar) and electronica artist from Bergen.
He is best known for his work as a music producer and for the studio Duper Studio, which he runs together with Yngve Sætre.
[1] Several Norwegian artists have recorded their albums at the Duper Studio.
Among the artists he has collaborated with as a producer is Kaizers Orchestra,[2] The National Bank (on both albums), Sondre Lerche (on the first three albums), Jaga Jazzist ( A Livingroom Hush), Poor Rich Ones (Naivety's Star) and Helén Eriksen (City Dust).
[1] As a musician he is in and has been in bands and projects like noise band Golden Serenades, the pop band House of Hiss, Toy, Slut Machine, and Der Brief.