In 1927, he became a member of the research staff of the National Bureau of Economic Research (NBER), where he worked until 1961. From 1931 until 1936, Kuznets was a part-time professor at the University of Pennsylvania. In 1937 he was elected as a Fellow of the American Statistical Association. He was elected to the Pi Gamma Mu social science honor society chapter at the University of Pennsylvania and actively served as a chapter officer in the 1940s; becoming a full-time professor 1936 until 1954. In 1954, Kuznets moved to Johns Hopkins University, where he was Professor of Political Economy until 1960. From 1961 until his retirement in 1970, Kuznets taught at Harvard.