Complex sentence: In 1941 he was a legal collaborator with the Department of the Economy before being named in 1954 to the general secretariat of the federal Department of the Economy, where he served from 1957 until 1967.
Split into simpler sentences: In 1941 he became a legal collaborator with the Department of the Economy. In 1954 he was named to the general secretariat of the federal Department of the Economy, where he served from 1957 until 1967.