Education
Gundelach was educated from the University of Aarhus in 1951.
Gundelach was educated from the University of Aarhus in 1951.
He served as vice-president of the European Commission from 1977 to 1981. From 1955 to 1959 he was the Danish ambassador to the United Nations. In 1959 he was named director of the trade branch of General Agreement of Tariff and Trades and vice director of the entire General Agreement of Tariff and Trades in 1965.
He left General Agreement of Tariff and Trades in 1967 in order to become Danish ambassador to the European Commission. In 1974 he was named as the first Danish European Commissioner by prime minister Anker Jørgensen.
He was commissioner until his death in 1981.