Minsun is the Director of the Center for New Directions in Politics and Public Policy program, in the Political Science Department at the University of Colorado Denver.

She was the founder and long-time executive director of a worker center in Denver, Colorado, El Centro Humanitario para los Trabajadores (Humanitarian Center for Workers), organizing immigrant day laborers and domestic workers. She was also a labor union organizer with Service Employees International Union (SEIU) and was a labor activist in her native country, South Korea. She received her Ph.D. from the Josef Korbel School of International Studies at the University of Denver and her special interests of research include international political economy, worker cooperatives, social movements, labor politics of different countries and solidarity economy.