From 1980 to 1981, Ambassador Earle was the Director of the U. S. Arms Control and Disarmament Agency, where he served as the principal advisor to the administration on all matters involving arms control and disarmament.
Mr. Earle previously served as Chief U.S. Negotiator (with the rank of Ambassador) of the SALT II Treaty (1978-80) and Alternate Chief Negotiator (1977-78). During that period he also served as ACDA's Special Representative for Arms Control and Disarmament Negotiations. Before that, he was the ACDA Representative on the U.S. SALT Delegation (1973-77).
Ambassador Earle additionally served as a consultant to the Secretary of Defense on SALT-related issues (1972-73); Defense Advisor, U.S. Mission to NATO (1969-72); and Principal Deputy Assistant Secretary of Defense for International Security Affairs (1968-69).
In addition to his government service, Mr. Earle, a graduate of Harvard College and Harvard Law School, has practiced law as a partner of Morgan, Lewis & Bockius in Philadelphia and of Baker & Daniels in Washington.
From 1950 to 1952 he served in the U.S. Army, as a 2nd and 1st Lieutenant, in the Corps of Engineers and the Counter Intelligence Corps.
Ambassador Earle is a member of the Council on Foreign Relations, the International Institute for Strategic Studies, the Council of American Ambassadors, and the American Law Institute. He has also served as a member of the boards of numerous business corporations and non-profit organizations, including the Arms Control Association, the British American Security Information Council and the Committee for National Security. He is the author of numerous publications dealing with national security.