k ker ø y ▁IL ▁from ▁Krist ians and . ▁He ▁started ▁as ▁a ▁ref eree ▁in ▁ 1 9 7 9 ▁and ▁was ▁a ▁ref eree ▁in ▁FIFA ▁from ▁ 1 9 9 2 ▁to ▁ 2 0 0 2 . ▁O ls en ▁offici ated ▁in ▁ 2 0 0 2 ▁World ▁Cup ▁qual ifying , ▁ref ere eing ▁the ▁match ▁between ▁Spain ▁and ▁Bos nia . ▁He ▁has ▁ref ere ed ▁over ▁ 3 0 ▁national ▁matches ▁at ▁different ▁age ▁groups , ▁both ▁men ▁and ▁women , ▁in ▁addition ▁to ▁ 2 8 ▁matches ▁in ▁the ▁European ▁Cup . ▁In ▁ 1 9 9 1 , ▁he ▁ref ere ed ▁the ▁Norwegian ▁Cup ▁Final ▁between ▁Str ø msg od set ▁and ▁Rosen borg , ▁as ▁well ▁as ▁the ▁Norwegian ▁Cup ▁Final ▁between ▁V å ler eng a ▁and ▁Str ø msg od set ▁in ▁ 1 9 9 7 . ▁He ▁also ▁ref ere ed ▁the ▁European ▁Championship ▁for ▁U - 1 8 ▁in ▁England ▁in ▁ 1 9 9 3 . ▁ ▁O ls en ▁won ▁the ▁K nik sen ▁award ▁for ▁Ref eree ▁of ▁the ▁year ▁in ▁ 1 9 9 3 . ▁ ▁References ▁▁ ▁Ref eree ▁profile ▁at ▁Norway ' s ▁Ref eree ▁Association ▁▁ ▁Category : 1 9 6 5 ▁birth s ▁Category : L iving ▁people ▁Category : N or weg ian ▁football ▁ref ere es ▁Category : K nik sen ▁Award ▁w inners ▁Category : Pe ople ▁from ▁Tr ond heim <0x0A> </s>