- 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
- DELTA, 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.