She wrote a thesis on the nutritional deficiencies of North Korean residents who grew up during the "Arduous March," and after graduating with a master's degree, she moved to Kaesong in North Korea to work in food supply and management at the Kaesong Industrial Complex. Following the sudden closure of the complex, she broadened her perspective on North Korea through her work with North Korean defectors and continues to engage in peace and unification lectures and support activities.
