Gilford John Ikenberry (October 5, 1954) is a theorist of international relations and United States foreign policy, and the Albert G. Milbank Professor of Politics and International Affairs at Princeton University. He is known for his work on liberal International Relations theory, such as the books ''After Victory'' (2001) and ''Liberal Leviathan'' (2011). He has been described as "the world's leading scholar of the liberal international order."
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