 Slichter served as a member of the National Science Board from 1976–1984; as a member and vice-chair of the President's Science Advisory Committee from 1965–1969; as a member of the President's Committee on the National Medal of Science, 1969–1974; and as a member of the President's Committee on Science and Technology Policy, 1976.Slichter was a member (Fellow) of the Harvard Corporation, Harvard's senior governing body, from 1970–1995.He chaired the search committee that selected Neil Rudenstine as the president of Harvard in 1991.