Philip Bobbitt is an American author, academic, and public servant, and is the Herbert Wechsler Professor of Federal Jurisprudence and director for the Center for National Security at Columbia Law School. Bobbitt served as Associate Counsel to President Jimmy Carter, for which he received the Certificate of Meritorious Service, Legal Counsel to the Iran-U.S. Committee in the U. S. Senate, Counselor for International Law in the State Department during the George H.W. Bush administration, and in the National Security Council under President Bill Clinton. He is among the leading theorists of military strategy, international security, and constitutional law. He is the author of several books including, Constitutional Fate: Theory of the Constitution, The Shield of Achilles: War, Peace, and the Course of History, and Terror and Consent: the Wars for the Twenty-first Century.