From 1989 to 1990 , he worked as an Executive Officer for Statistics Norway , Norway 's central institution for producing official statistics .
From 1985 to 1989 , he was the leader of the Workers ' Youth League .
From 1989 to 1990 , leader worked as an Executive Officer for Statistics Norway , Norway 's central institution for producing official statistics .
From 1985 to 1989 , he was the leader of the Workers ' Youth League .