He then spent 1967 to 1968 as foreign affairs adviser on the national campaign staff of Governor of Michigan George W. Romney during the 1968 Republican presidential primaries.

After Romney's elimination from the race, he became a foreign policy adviser on the national campaign staff of Governor of New York Nelson Rockefeller.

Moore then joined academia, becoming Director of the Harvard Institute of Politics and a lecturer in Public Policy at the John F. Kennedy School of Government, holding this position from 1974 to 1986.

In October 1984, he was a consultant to the United States Agency for International Development in a field assessment of the U.S. economic assistance program for the Philippines.

He returned to the John F. Kennedy School of Government in 1992, becoming an associate of the Joan Shorenstein Center on the Press, Politics and Public Policy.