Robert Kagan is an American historian, political scientist, and foreign policy commentator. Born in Athens, Greece, on September 26, 1958, he is known for his influential writings on international relations, American foreign policy, and the liberal world order. Kagan is often associated with neoconservative thought, advocating for a robust and interventionist American presence in global affairs. He has written extensively on the role of power in international relations and the importance of maintaining democratic alliances to confront authoritarianism. Kagan has served in various governmental positions, including as a member of the State Department's Policy Planning Staff, and he has been a senior fellow at the Brookings Institution. Among his notable works are "The World America Made" and "Of Paradise and Power: America and Europe in the New World Order," which explore the United States' critical role in shaping the post-World War II international system. His insights and commentary have made him a respected and influential figure in policy-making circles and public debates on foreign policy.