William Treanor

Georgetown University Law Center

Dean and Executive Vice President

William M. Treanor is the Dean and Executive Vice President of Georgetown University Law Center. He joined Georgetown in 2010 and was reappointed to serve a second five-year term beginning July 1, 2015. Under Treanor’s leadership, Georgetown Law has hired 29 new faculty members, expanded the number of certified experiential offerings for students from 450 to more than 2000 seats, nearly doubled financial aid and experienced the most successful fundraising year in its history, raising over $27.5 million in 2016. 

In 2012, he was recognized by the National Law Journal as a "Champion" because of his work to “uph[o]ld the profession’s core values,” and in the same year he received the 2012 David Stoner Uncommon Counselor Award from the David Nee Foundation for his efforts to raise mental health awareness among law students. National Jurist magazine has named him one of the most influential people in legal education four times. 

Treanor’s areas of expertise include constitutional law, property, criminal law, intellectual property and legal history. He has been recognized as one of the 10 most-cited legal history scholars in the United States by the University of Chicago Law School’s Brian Leiter. At Georgetown Law, he has taught a first-year legal justice seminar and an upper-level course on the drafting of the U.S. Constitution. 

Before coming to Georgetown, Treanor was Dean and Paul Fuller Professor of Law at Fordham Law School, where he began teaching in 1991. He also has served in a variety of positions in the government, including Deputy Assistant Attorney General in the Office of Legal Counsel, U.S. Department of Justice; Associate Counsel, Office of Independent Counsel during the Iran/Contra investigation; Special Assistant U.S. Attorney in the District of Columbia United States Attorney's Office; and Special Assistant to the Chair of the New York State Commission on Government Integrity. He was law clerk to the Honorable James L. Oakes, U.S. Court of Appeals for the Second Circuit. Treanor has a Ph.D. in history from Harvard University, a B.A. from Yale College (summa cum laude) and a J.D. from Yale Law School.