CIA Counterintelligence is the component of the Central Intelligence Agency with primary responsibility for counter-intelligence operations. From 1953 to 1988 it was known as the Counterintelligence Staff and operated within the Directorate of Plans; in 1988 it was succeeded by the Counterintelligence Center. Heads of CIA Counterintelligence include James Angleton (from foundation until 1974), George Kalaris (1974 to 1985), and Gardner Hathaway (1985 to 1990).