From 1944-1947 he was director of research and publications for The Council of State Governments in Chicago. In 1947 he was appointed professor of political science at the Maxwell School of Citizenship and Public Affairs at Syracuse University. In 1952 and 1953 he was part of U.N. sponsored missions in public administration in Colombia, the Philippines, and Japan. His next one-year U.N. appointment was as co-Director of the Public Administration Institute for Turkey and the Middle East in Ankara, Turkey. Indiana University then appointed him director of the Institute of Training for Public Service and Coordinator of Indonesian and Thailand Public Administration Programs. By the time of his retirement, further appointments, research and lecture tours and vacations had enabled him to visit nearly one hundred countries around the world as well as every state in the union. In 1956, after a year as visiting professor of government at the University of California, Berkeley, he returned to Bloomington as Professor of Government at Indiana University, where he remained until his retirement. In the course of his career he secured 21 National Science Foundation grants to support his research.