Jonas Berggren

Jonas Berggren, a.k.a. Joker (born Jonas Petter Berggren, 21 March 1967, Gothenburg, Sweden).

Jonas is a talented music writer and wrote most of Ace of Base’s biggest hitsincluding “All That She Wants”, “The Sign”, and “Beautiful Life”.   He also produces and plays guitar, keyboard and sings vocals. Jonas has his own studio, called The Barn.
Jonas was the producer and composer for the album Pride by Swedish pop group Yaki-Da in 1995.  He has also worked with Meja, Army of Lovers, E-Type and DJ Bobo.

He is married  to Norwegian  hairdresser Birthe Haugland (date of marriage 12 July, 2000) whom he met during a cruise in Norway in the summer of 1996. Together they have two children: Julia, born in 1999, and Gabriel, born in 2001.