William M. Treanor is Executive Vice President and Dean of the Law Center at Georgetown University. In 2010, William joined the Georgetown University Law Center from Fordham Law School, where he had been dean of the law school since 2002 and Paul Fuller Professor. He joined the Fordham faculty in 1991. He has also been a visiting professor at the Sorbonne.
From 1998 to 2001, William served as Deputy Assistant Attorney General in the Office of Legal Counsel, U.S. Department of Justice. From 1987-1990, he was associate counsel, Office of Independent Counsel, during the Iran/Contra investigation, and in 1990 he served as a special assistant U.S. attorney, Misdemeanor Trial Unit, Office of the U.S. Attorney for the District of Columbia. William was law clerk to the Honorable James L. Oakes, U.S. Court of Appeals for the Second Circuit, Brattleboro, Vermont. He has published widely, with a focus on constitutional law and legal history.