Editorial Consultation
Reviewer, The Asia-Pacific Education Researcher (SSCI Journal) 2015 - present
Reviewer, Computers and Education (SSCI Journal) 2014 - present
Associate Editor, Journal on Education 2013 - present
Reviewer, Computer Assisted Language Learning (SSCI Journal) 2013 - present
Reviewer, Interactive Learning Environments (SSCI Journal) 2012 - present
Reviewer, Asia Pacific Journal of Education (SSCI Journal) 2011 - present
Executive Reviewer, Educational Technology & Society (SSCI Journal) 2009 - present
Reviewer, Asia Pacific Educational Review (SSCI Journal) 2009 - present
Project Proposal Reviewer, Research Grant Council (RGC) of Hong Kong, 2011, 2012
Project Proposal Reviewer, MEST (Ministry of Education, Science, and Technology) of Korea, 2011
Reviewer, Korean Journal of Educational Research (KCI Journal) 2009 - present
Reviewer, Educational Technology International (KCI Journal) 2007 - present
Reviewer, SNU Journal of Education Research (KCI Journal) 2007 - present
Reviewer, Asian Journal of Education (KCI Journal) 2006 - present
Reviewer, Journal of Lifelong Learning Society (KCI Journal) 2007 - present
Reviewer, Journal of Educational Science (KCI Journal) 2010 - present
Reviewer, The Journal of Educational Information and Media (KCI Journal) 2008 - present
Advisory Consultation
Advisory Consultant, International Advisory Board for the Assessment of the Tsukuba Project on General Education at the University of Tsukuba, Tsukuba, Japan. 2009, 2010.
Advisory Steering Committee Member (International Representative), Blackboard Idea Exchange Steering Committee, Blackboard Inc., Washington, D.C., USA. 2008, 2009.
Professional Affiliations and Services
Editor-in-Chief of Conference Proceedings of 2013 3rd Annual International Conference on Education and e-Learning (EeL 2013), Singapore
Editor-in-Chief of Conference Proceedings of 2012 2nd Annual International Conference on Education and e-Learning (EeL 2012), Singapore
Editor-in-Chief of Conference Proceedings, & Technical Program Committee Chair, of 2011 Annual International Conference on Education and e-Learning (EeL 2011), Singapore
Program Committee Chair, Organizing Committee of 2011 International Conference of KSET (Korean Society of Educational Technology), Seoul, Korea
Program Committee Chair, Organizing Committee of 2009 International Conference of KSET (Korean Society of Educational Technology), Seoul, Korea
Opening Ceremony Presider, 2009 International Conference of KSET (Korean Society of Educational Technology), Seoul, Korea
Young Scholar Committee Chair, Korean Society of Educational Technology (KSET)
Board Trustee, Korean Society for Educational Technology (KSET)
Board Trustee Korean Association for Education Information and Media (KAEIM)
Board Trustee, Korean Society for Corporate Education (KSCE)
Academic Committee Trustee, Alumni Association of Dept. of Education, Seoul National University
Regular member, Korean Association of the Studies and Education (KASE)
Adjunct member, Association of Educational Communication and Technology (AECT)
Professional Visiting
(As an interviewer and a representative of SNU delegation)
National University of Singapore, Nanyang Technological University
Singapore (Sep. 2005)
University of British Columbia, Simon Fraser University
Canada (Oct. 2005)
Nagoya University, Chiba University
Japan (Jan. 2006)
Hokkaido University
Japan (Feb. 2007)
Oxford University, Cambridge University, London School of Economics, University of Manchester
UK (Jul. 2008)
University of British Columbia
Canada (Jan. 2009)
University of Hong Kong
Hong Kong (Jan. 2009)
Monash University, University of Melbourne
Australia (Jan. 2009)
University of Hawaii
USA (Mar. 2009)
Kyoto University, Osaka University
Japan (May. 2010)
Hokkaido University
Japan (Nov. 2010)
University of Michigan
USA (Oct. 2012)
Nanyang Technological University
Singapore (Aug. 2013)
Nazarbayev Intellectual Schools
Kazakhstan (Oct. 2014)
IB Global Conference
Japan (Mar. 2017)
MEXT(Ministry of Education, Culture, Sports, Science and Technology)
Japan (Mar. 2017)
IBO (International Baccalaureate Organization)
Singapore (Mar. 2018)
Tsukuba Sakado High School
MEXT(Ministry of Education, Culture, Sports, Science and Technology)
Japan (Oct. 2018)
Kochi Kokusai Junior High School
St. Joseph Primary School in Yokohama
Japan (Feb. 2019)