Complex sentence: During his studies in Europe, Jones served as an economist on the staff of the League of Nations before joining the faculty of Bennington College in 1932 where he served as president from 1941 to 1947.
Split into simpler sentences: During his studies in Europe, he served as an economist on the staff of the League of Nations. He then joined the faculty of Bennington College in 1932 where he served as president from 1941 to 1947.