-Professor, Harvard Law School, 2004-present
-Assistant attorney general, Office of Legal Counsel, Department of Justice, 2003-2004
-Associate professor, 1994-1997; professor, 2003-2004, University of Virginia School of Law
-Special counsel to the general counsel, Department of Defense, 2002-2003
-Professor, University of Chicago Law School, 1997-2003
-Associate, Covington & Burling, Washington, D.C., 1992-1994
-Legal assistant to Judge George Aldrich, Iran-U.S. Claims Tribunal, The Netherlands, 1991-1992
-Law clerk to Justice Anthony M. Kennedy, U.S. Supreme Court, 1990-1991
-Law clerk to Judge J. Harvie Wilkinson, U.S. Court of Appeals for the Fourth Circuit, 1989-1990
Diploma in Private International Law, Hague Academy of International Law
J.D., Yale Law School
B.A., M.A., Oxford University
B.A., Washington & Lee University