Beginning in January 2023, Kathleen Claussen will be a Professor of Law at Georgetown. She was one of ten Americans appointed to the United States-Mexico-Canada Agreement (USMCA) dispute settlement roster. She was also one of two Americans appointed to the Canada-Mexico labor dispute roster under the USMCA. Most recently she was an associate professor of law at the University of Miami.

From 2014 until 2017, she served as Associate General Counsel in the Office of the U.S. Trade Representative.

Prior to that, Kathleen served as Legal Counsel at the Permanent Court of Arbitration in The Hague, where she supported the work of international arbitral tribunals.

Kathleen is a 2007 Mitchell Scholar. She received a Master's Degree in International Politics from Queen’s and focused her studies on ethnic conflict resolution. Volunteer work in the local community allowed her to engage with a number of initiatives designed to heal divisions in Northern Ireland. She also studied ethnic conflicts in Kosovo, Moldova, and Georgia.

Kathleen obtained her undergraduate degree from Indiana University where she was a Wells Scholar and, after her Mitchell year, obtained her law degree from the Yale Law School.