Since leaving Congress, Mr. Hamilton has served as a member of the Hart-Rudman Commission, and was co-chairman of the Commission to Investigate Certain Security Issues at Los Alamos. He sits on many advisory boards, including those to the CIA, the President's Homeland Security Advisory Council, and the United States Army. Hamilton is an Advisory Board member and Co-Chair for the Partnership for a Secure America, a not-for-profit organization dedicated to recreating the bipartisan center in American national security and foreign policy. He is previously the president and director of the Woodrow Wilson International Center for Scholars, and was appointed to serve as the vice chair of the 9/11 Commission. In 2000-2001, he served as the American member of the International Commission on Intervention and State Sovereignty, which prepared the U.N policy of Responsibility to Protect, adopted in 2005. He is also a member of the Board of Advisors of Albright Stonebridge Group. He was appointed Co-Chair of the Blue Ribbon Commission on America's Nuclear Future from 2010–2012 alongside Brent Scowcroft. He is also a member of Washington D.C. based think tank, the Inter-American Dialogue.