was born 1957 in Jönköping, Sweden. After intense studies, he left Musikhögskolan in Göteborg with diplomas in double-bass and improvisation / pedagogy in 1979.
Today as a doublebass-player and composer, AJ is a frequent and highly respected performer on the international concert scene. As a musician in great demand, AJ has recorded and toured with many of the legends in jazz. Among others : Gilberto Gil, Lee Konitz, Elvin Jones, Joe Henderson, Don Cherry, Charles Lloyd, Mike Mainieri, Joe Lovano, and Jack deJohnette, as well as Kenny Wheeler, Albert Mangelsdorff, Tomasz Stanko, Dino Saluzzi, John Surman, John Taylor, Marilyn Mazur, Arve Henriksen, Mark Feldman , Paul Motian, Joey Baron, Tom Rainey , Jon Balke, Vertavo string quartet , Ann-Sofi von Otter, Norma Winstone and Marilyn Crispell. For many years, AJ was also a front figure in one of Scandinavias foremost ensembles, "Entra".
AJ today performs regularly all over Europe, USA/Canada, and Japan, but has also for shorter periods performed and studied ethnic music in Cuba and Mocambique. At the present AJ is a member of Bobo Stenson trio, and the unique swedish group "dr Dingo". AJ is also constantly creating new projects of his own, highly appreciating challenging work on local and national level as well as his international obligations. AJ is an "ECM recording artist".