He was first elected to Parliament in 1993 for the Oslo constituency , and is a member of the Labour Party .
Stoltenberg served as State Secretary in the Ministry of the Environment from 1990 to 1991 .
Stoltenberg was first elected to Parliament in 1993 for the Oslo constituency , and is a member of the Labour Party .
Stoltenberg served as State Secretary in the Ministry of the Environment from 1990 to 1991 .