Born in Hamar, Norway. Bjørn began playing classical piano at the age of 7.His mother was a well educated piano player and she gave him his first lessons. After 8 years of studying classical music he bought his first synthesizer. From then his interest was pointing towards composing, arranging and programming. By the age of 19 he got his first professional composing job scoring the music to a theater play called "Manndattera og Kjerringdattera"( a fairytale from Norway).This led to 4-5 years concentrating on composing for the theatre. He scored three Ballets and three theatre plays during this period (among them the critically acclaimed “The Hobbitt). He also became member of two important groups. First there was "Boys Voice" that was an progressive rock group using spacey elements. They made one album in 1984.Second group was "EtCetera", a jazz/folk group hailing from Molde, Norway. They made one album in 1985 that was critically acclaimed. The same period was full of sessionwork. Realizing that he wanted to be a full-time musician he became student at The Music Conservatory in Kristiansand, Norway. In 1988 he was a soloist with Oslo Philharmonic Orchestra performing Kjell Markussen´s "Morning Glory" ( a symphonic poem written for synthesizer and electric guitar). After 5 years at the Conservatory his life outside school had really become time-consuming due to sessionwork,touring and composing. He recorded and toured with Norwegian artists Jahn Teigen, Sigvart Dagsland, Jørn Hoel, Finn Kalvik, Rolf Løvland, Pål Thowsen, Tor Endresen and others. He also did a Australian tour with American singer Randy Crawford and a recording with The Chieftains from Irland. Finishing his formal education at the conservatory he formed his own group together with two folkmusicians from the Lapland in the north of Norway: "Orbina". They made an eponymous CD in 1992. This was his first time working with authentic folk music and-instruments in the World Music scene. The same year he started working with Norwegian singer Sissel Kyrkjebø. The Sissel Kyrkjebø calling group contained several members of the Norwegian group "LAVA" .They became official Olympic musicians under the LOOC-banner in 1993, leading to a lot of touring worldwide promoting the Winter Olympics at Lillehammer, Norway. They recorded the Norwegian Grammy nominated CD "Innerst i Sjelen" with Sissel that sold 600.000 copies worldwide. When Sissel & the group went to China in 1994 Bjørn Ole met the Norwegian folkgroup "Bukkene Bruse". Soon after he started working with them both as a musician and arranger. They recorded the Norwegian Grammy nominated CD "Åre" in 1995. Following the interest in World Music Bjørn Ole started to work with Norwegian Hardanger Fiddle player Annbjørg Lien. He produced, arranged and co-composed her Norwegian Grammy nominated album “Prisme” in 1996.The album was critically acclaimed and was released in USA, Taiwan and most of Europe. In the middle of all this Bjørn Ole took his Master degree in music at the Faculty of Rhytmic Music in Copenhagen, Denmark.

In 1995 Bjørn Ole started to work with the Norwegian/Ireland collaboration called "Secret Garden". Their first single "Nocturne" won The Eurovision Song Contest 1996 in Ireland and the same year they released the CD "Songs from a secret garden". Since then BO have been working on all their albums both as arranger and musician. The group has now worldwide sales over 2.5 million. In 1998 Bjørn Ole became a member of the group "Bukkene Bruse". The same year  they released the Norwegian Grammy nominated CD "Steinstolen". In 1998 he started working with renowned Norwegian folk musicians Kirsten Bråthen Berg, Hallvard Bjørgum,Hans Fredrik Jacobsen and Sondre Bratland. In 1999 Bjørn Ole became an official ambassador the relief organization "Save the Children" together with Bukkene Bruse. In 1999 the Annbjørg Lien album "Baba Yaga" was released in Eurpoe and USA. The album was produced, arranged and co-written by Bjørn Ole. The same year Bukkene Bruse was awarded the prestigious Prøysenprisen in Norway.The same year Bjørn Ole and Annbjørg Lien wrote the music for  the Theatreplay “Stalu Bursa”. He has also been working as an associate professor at The Faculty of Fine Arts in Kristiansand since 1994. In 2002 Bjørn Ole has three new albums to share with the public as a producer, arranger and musician. First the new Norwegian Grammy nominated album “Den Fagraste Rosa” with Bukkene Bruse. Second the Annbjørg Lien album “Aliens Alive” and finally “Orbina II”, the follw-up album with his group Orbina based in Kautokeino, Norway.