Advisory Panel and Editorial Board (2007.1 - present)
Technology, Colleges and Community (TCC Online Conference)
International Committee Member (2015 – 2022)
Japan Society for Educational Technology
Steering Committee Member (2009 – 2022)
Japan Association for Education Media Studies
Member (2004 – 2022)
Japanese Society for Educational Technology
Japanese Association for Multimedia Education Studies
Member (2000 – 2022)
Association for Educational Communication and Technology, USA.
Vice-president (2003.1 – 2004.12)/ Governing board member (1997 – 2008)
Korean Society for Educational Technology
Member of Editorial Board (2000.9 – 2002.12)
Korea Journal of Educational Technology
Member (1990 – 2010)
Korean Educational Research Association
Steering committee member (1999 – 2009)
Korea Association for Educational Information and Broadcasting
Board member (2000 – 2009)
Association for Computer Education
Member (1992- 2009)
Association for Adult Learning
Governing board member (1997 – 2007)
Korea Society for Distance Education