· 1993 Ph.D., Vocational Education and Workforce Development, The Ohio State University
· 1987 M.S., Vocational and Career Education, Seoul National University
· 1985 B.S., Agricultural Education, College of Agriculture and Life Sciences, Seoul National University
· 1999.09-Present Professor, Vocational Education and Workforce Development, Department of Agricultural and Vocational Education, Seoul National University
· 2013.03-2014.08 Vice-Minister (including Acting Minister), Ministry of Education
· 2013.03-2013.03 1st Vice-Minister, Ministry of Education, Science and Technology
· 2007.09-2008.10 Visiting Professor, Department of Educational Leadership and Organizational Learning, College of Education, The University of New Mexico
· 2003.09-2007.07 Chair, Program in Vocational Education and Workforce Development, Department of Agricultural and Vocational Education, College of Agriculture and Life Sciences, Seoul National University
· 2003.09-2007.07 Director, Center for Vocational Educator Development, College of Agriculture and Life Sciences, SNU
· 1996.03-1999.08 Assistant Professor & Chair, Department of Practical Education, Daegu National University of Education
· 1994.02-1995.08 Instructor, Atterbury Job Corps Center, U.S. Department of Labor
· 1993.07-1994.02 Adjunct Assistant Professor, The Ohio State University
· 2015 Na, S., Guide for Effective Teaching at Universities (Revision), Seoul National University Press
· 2014 Co-author, Areas of Vocational Education Research Springer
· 2012 Chapter Author, The Future of Vocational Education and Training in a Changing World, Fachmedien: Spring VS.
· 2012 Co-author, Guide for Student Teaching Practicum, Education and Science.
· 2009 Co-author, Introduction to Vocational Education and Workforce Development, Education and Science
· 2007 Co-author, Introduction to Agricultural Education (Revision), Seoul National University Press
· 1999 Co-author, Theories and Practice of Career Education, Education and Science.
Awards & Others
· 2014.11 Excellent Education Award, SANG-LOC Agriculture and Life Science Awards, Seoul National University.
· 2014.09 Great Person Award, Who Brightened 100 Years of ‘Buyeo’ County
· 2009.11 Official Commendation for National Merit, Minister of Employment and Labor
· 2009.03 International Award for Outstanding Alumni, Ohio State University
· 2006.12 Official Commendation for Promoting Vocational Education, Deputy Prime Minister/ Minister of Educational, Science, and Technology
· 1999.04 Outstanding Research Award, The Korean Federation of Science and Technology Societies