Education
He was educated as a teacher and was the principal (bestyrer, later rektor) of Mesterfjellet school 1967–1977.
He was educated as a teacher and was the principal (bestyrer, later rektor) of Mesterfjellet school 1967–1977.
Ellefsen served three terms as Vestfold"s deputy representative to the Norwegian Parliament: 1961–1965, 1965–1969 and 1969–1973. He was the mayor of Larvik from 1972 to 1983.