Dr. Yun Jong Sook Ellen received her B.A. in English education at Sangmyung University, Korean, M.A. in Linguistics at CUHK, and Doctor of Education at Northeastern University, in the U.S. Before she began to teach Korean in CUHK in 2007, she had taught Korean at other institutions such as BTU and CityU since 2000. Her research interests are language acquisition, and language pedagogy in general and using mass media in particular.