Jonas Berggren

Jonas Petter Berggren, aka Joker or JP ( born March 21, 1967 Gothenburg, Sweden) is a Swedish pop singer, keyboardist, guitarist, songwriter and music producer. He began writing songs when he was seven years old. He became famous with his band Ace of Base.

As a founding member of Ace of Base Berggren wrote all their hits, such as All That She Wants, The Sign and Beautiful Life. He also plays the guitar and the keyboards and has collaborated with DJ Bobo, Army of Lovers, E-Type and Meja. Under the stage name "Joker" ( or, in some later works, JP), Berggren has now also his own studio, called The Barn. The former female members of Ace of Base Linn Berggren and Jenny Berggren are his sisters. Berggren was also the producer and composer for the album " Pride" of the Swedish pop group Yaki-Da 1995.

Bergren has been married since 2000 and has four children with his wife.