PhD Student – Yonsei University, Graduate School, Departmnet of Language and Information, Korean Education Iformatics.

Masters – Kyunghee University, Graduate School, Department of Korean Language and Literatire, Korean Education.

At present-

Korean Kanguage Institute Instructor – Sungkonghoe University.

TOPIK preparation class Instructor – Dongyang Mirae University.

Co-authored “TOPIK master”