Mary B. DeRosa served as Deputy Assistant and Deputy Counsel to the President, and as National Security Council Legal Adviser in the Obama Administration. After leaving the White House in the Summer of 2011, she served as Alternate Representative of the United States to the 66th Session of the UN General Assembly, an Ambassador-level position with the US Mission to the United Nations. Prior to joining the Obama Administration in 2009, Ms. DeRosa was Chief Counsel for National Security for the Senate Judiciary Committee, working for the Chairman, Senator Patrick Leahy. She has also been a Senior Fellow at the Center for Strategic and International Studies, served on the staff of the Clinton Administration National Security Council as Legal Adviser and Deputy Legal Adviser, and was Special Counsel to the General Counsel at the Department of Defense. Before joining the government, Ms. DeRosa was in private practice at Arnold & Porter. She served as a law clerk to the Honorable Richard Cardamone, United States Court of Appeals for the Second Circuit.

Scholarship

Contributions to Law Reviews and Other Scholarly Journals

Mary B. DeRosa, National Security Lawyering: The Best View of the Law as a Regulative Ideal, 31 Geo. J. Legal Ethics 277-303 (2018).
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Mary B. DeRosa, Symposium Transcript, General Counsel of the FBI, James Baker, in Conversation with Professor Mary DeRosa on the FBI and International Justice, 48 Geo. J. Int'l L. 895-907 (2017).
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Book Chapters & Collected Works

Mary B. DeRosa & Milton C. Regan, Jr., Deliberative Constitutionalism in the National Security Setting, in The Cambridge Handbook of Deliberative Constitutionalism 28-43 (Ron Levy, Hoi Kong, Graeme Orr & Jeff King eds., New York: Cambridge University Press 2018).
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