William Treanor is the Dean and Paul Fuller Chair of Law at Fordham Law School in New York City. He joined the faculty in 1991 and has taught a range of subjects including property law and criminal law.

Prior to joining the Fordham faculty, Dean Treanor was a speechwriter for the United States Secretary of Education and served as Associate Independent Counsel in the Office of the Iran-Contra Independent Counsel.

He successfully defended on appeal before the United States Court, the conviction of the only Iran-Contra figure to serve jail time.

Treanor is also a leading constitutional historian.

He is active in Fordham's summer program in affiliation with University College Dublin and Queen's College in Belfast.

His senior paper in college was on the Dublin Archdiocese and the Home Rule Movement.

Dean Treanor attended Yale College for his undergraduate degree, received an A.M. in history from Harvard, where he began law school. He received his law degree from Yale Law School.

He is Irish on both sides, with roots in Co. Donegal and Belfast.

He and his wife, Allison, have two children, Liam and Katherine.

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