- BA English Language Teaching, Hong Ik University, Seoul
- MA ELT Materials Development, International Graduate School of English (IGSE), Seoul
- PhD English Language Teaching, Leeds Metropolitan University, UK (ELT Materials Development Using Process Drama)
- Certificate in Teaching Spanish, Escuela Oficial de Idiomas, Madrid, Spain
- Diploma, Hispanic Studies, Universidad Complutense de Madrid, Spain
- CELTA, English Teaching Awards, University of Cambridge, UK
- YLE Oral Examiner, English Examinations, University of Cambridge, UK
- TKT Presenter, English Examinations, University of Cambridge, UK
- Teacher Trainer, IGSE Education Center, Seoul - Director, IGSE Education Center, Seoul
- BA, University of Western Ontario, Canada
- MEd, MA Applied Linguistics, University of Southern Queensland, Australia
- CELTA, English Teaching Awards, University of Cambridge, UK
- MA TESOL, Dangook University, Yongin, Korea
- DELTA, English Teaching Awards, University of Cambridge, UK
- CELTA, English Teaching Awards, University of Cambridge, UK
- MA (with Distinction) Applied Linguistics, University of Essex, Wivenhoe, UK
- Post-Graduate Diploma in Linguistics, University of Westminster, London, UK
- BA Educational Psychology & Language Learning, Open University, Milton Keynes, UK
- MIL German (specialist option: Linguistics), Institute of Linguists, London, UK
- Cert. Proficiency Phonetics of English, International Phonetics Association, London, UK
- Cert.TEFL, International House Teacher Training Institute, London, UK
- IH COLT (Certificate in On-Line Training), International House Teacher Training Institute, London, UK
- Director, CELTA courses, School of Continuing Education, IGSE, Seoul, Korea
- CELTA & DELTA Assessor, Cambridge University English Teaching Awards
- Regional Team Leader Japan & Korea, Cambridge University English Examinations
- Centre Inspector, Japan & Korea, Cambridge University English Examinations
- In Ph.D., Convergence Media Content Policy, Seoul National University of Science and Technology, Seoul
- MA, Education, Early Childhood Education, Korea University, Seoul
- MA, Engineering, e-Learning, Korea National Open University, Seoul
- BA, Education and English Teaching, Catholic University, Taegu
- Certificate in Teaching English and Education, Ministry of Education, ROK
- Principal Research Engineer, Visang EdTech R&D, Visang Education INC., Seoul
- Division Director, Digital Education Division, Visang Education INC., Seoul
- Division Director, Service Division, NE Neungyule, Inc., Seoul
- Division Director, ELT R&D Division, NE Neungyule Inc., Seoul
- Manager, Early Childhood English Part, CJ Education, Seoul
- Team Manager, Early Childhood English Team, Edubox Inc., Seoul
- Director, Tuntun Education Inc., Seoul
- BA English Language and Literature, Korea University, Seoul
- MA Korean Language Education, Seoul National University, Seoul
- PhD Korean Language Teaching, Seoul National University, Seoul
- Ph.D., Korean Language Education, Seoul National University
- M.A., Korean Language Education, Seoul National University
- B.A., Korean Language & Literature, Inha University
- Visiting Professor, University College, Sungkyunkwan University
- Lecturer, Graduate School, Dankook University,
- Lecturer, Department of Korean Language Education, Ewha Womans University
- Visiting Professor, Bangmok College of General Education, Myongji University
- Director, Korean Language Teaching Leadership Program for Foreigners, College of Education, Seoul National University
- Completed coursework for a Ph.D. in Rhetoric at the Department of English Language and Literature, Yonsei University
- MA in TESOL, Andrews University, USA
- Certificate in TESOL, Andres University, USA
- Level 1 Rater for the National English Proficiency Test (NEAT)
- Assistant Professor Specializing in English education at the Basic Liberal Arts Division, Jungwon University
- Head Teacher of Foreign Faculty at the Basic Liberal Arts Division, Jungwon University
- Developer of university general education courses and textbooks
- English Lecturer at the Liberal Arts Department, Sahmyook University
- English Lecturer at the Liberal Arts Department, Sahmyook Health University
- English Conversation Instructor at SDA Foreign Language Institute
- Interpreter (Korean-English/English-Korean) at the SDA International Church
Visiting Researcher, The Center for Educational Research, Seoul National University, Seoul, Korea.
Ph.D. in Applied Linguistics and Technology, Iowa State University, Ames, IA, USA.
M.A. in English Language Teaching Materials Development, International Graduate School of English, Seoul, Korea.
B.S. in Information Statistics. Korea National Open University, Seoul, Korea.
B.S. in Law. Korea National Open University, Seoul, Korea.
B.A. in English (Minor in English Language Teaching). Hankuk University of Foreign Studies, Seoul, Korea.