 He was second vice-president of National Congress of Parents and Teachers from 1948 to 1951, chair of the American Council on Education from 1948 to 1949, and chair of the Board of Trustees of the Educational Testing Service from 1949 to 1950.In 1953 he accepted James B. Conant's offer to become the Charles W. Eliot professor of Education at the Harvard Graduate School of Education.There, he became the first Chairman of the Administrative Careers Program, which later led to programs in Administration, Planning and Social Policy.