Studied in Germany, England and France (from 1924).
Fukutaro Okui became professor of Economics Department at Keio University (1927) and professor of Seisen Women's University (1950). Upon invitation of the United States Government inspected educational system in USA (1950). Served also as chairman of Social Science Research Section of Postgraduate Department of Keio University. Appointed president of Keio University (since 1956).