From 2000 to 2005 she worked for the Coalition for International Justice, a non-profit organization that supported the work of various international courts and tribunals. She rejoined the OTP in 2006 and worked at the Tribunal’s Belgrade office. Then she moved to South Sudan for two years implementing a USAID-funded program in anticipation of the region’s referendum for independence.
Frease is a graduate of the University of Washington’s Jackson School of International Studies, Seattle, and holds a master's degree from Columbia University’s School of International and Public Affairs, New York, NY.