2023 - Lt. General H.R. McMaster
2018 - Col. Jack Jacobs (Ret., USA) Medal of Honor Recipient and NBC News Consultant
2013 - R. Nicholas Burns Former American Diplomat and Professor of the Practice of Diplomacy and International Politics at Harvard's John F. Kennedy School of Government
2010 - Frederick Kempe President and Chief Executive Officer of the Atlantic Council of U.S.
2009 - Zbigniew Brzezinski Former national security advisor
2008 - John W. Warner Former United States Senator from Virginia
2006 - Mary Robinson Former president of Ireland "Human Rights in the 21st Century"
1994 - James Schlesinger Secretary of Defense, Secretary of Energy
1991 - Thomas Pickering Ambassador to the United Nations and Under Secretary of State for Political Affairs 1
1989 - Seymour Hersh Investigative Journalist and Pulitzer Prize Winner
1988 - John Anderson U.S. Congressman and Executive Director of Council for National Interest
1987 - George McGovern U.S. Senator