Yunjung had taught Korean at the Natgaeshimeunnamu Korean School in Atlanta, Georgia, US. After coming back to Korea, she started to teach Korean to foreign laborers in Foreign Social Welfare.
When she came to Cambodia where her husband was assigned, she started to teach Cambodian IT students who were selected by Human Resource Department Center related to Kosign Company.
She also taught Korean at the Panasastra Language Center and in Canadian International School. In 2016, she started to teach Korean A in IB MYP, DP at Northbridge International School Cambodia.
She is married with two daughters. She enjoys reading books and watching movies. She is delighted in experiencing new culture, language, and food.