Norwegian musician, record producer and concert organizer. Born February 8, 1950 in Bergen, Hordaland. Managed the [l263800] from 1989 to 2013. Produces a wide range of music in his studio, but mostly became famous for his characteristic reverb-drenched production of many Norway's emerging black metal bands in the early 1990s such as Immortal, Mayhem, Burzum and Emperor.