Master of Education in Korean Language Educatio as a Foreign Language in The Graduate School of Education, Yonsei University
Former Korean language instructor at Soonsil University
Former Korean language instructor at the Samsung Human Resources Development Center
Former Analysis Staff at The National Institute of the Korean Language
Former Korean language instructor at Sogang University
Former IB Korean teacher at International School of Tianjin (China)
Current IB Korean teacher at Taejon Christian International School
Book
Coauthor of Analytical Study on Teaching Materials of Korean Language as a Foreign or Second Language (2005), National Institute of Korean Language