- 2014 - 2019 Board Member, Oita LSI Cluster, Oita Japan (2014~2019)
- 2014 - 2019 Board Member, Oita LSI Cluster, Oita Japan (2014~2019)
- 2014 - 2019 Oita LSI Cluster, Oita Japan Board Member
- 2014 - 2019 Oita LSI Cluster, Oita Japan Board Member
- 2014 - 2016 Executive Board Member, Oita LSI Cluster Promotion Council (2014~2016)
- 2014 - 2016 Executive Board Member, Oita LSI Cluster Promotion Council (2014~2016)
- 2014 - 2016 Oita LSI Cluster Promotion Council Executive Board Member
- 2014 - 2016 Oita LSI Cluster Promotion Council Executive Board Member
- 2010 - 2016 Secretary General, International Association for Asia Pacific Studies (2010~2016)
- 2010 - 2016 Secretary General, International Association for Asia Pacific Studies (2010~2016)
- 2010 - 2016 International Association for Asia Pacific Studies Secretary General
- 2010 - 2016 International Association for Asia Pacific Studies Secretary General
- 2016 - Keynote Speaker, CEIS2016 Symposium (2016)
- 2016 - Keynote Speaker, CEIS2016 Symposium (2016)
- 2016 - CEIS2016 Symposium Keynote Speaker
- 2016 - CEIS2016 Symposium Keynote Speaker
- 2014 - Keynote Speaker, Global G30 Symposium (2014)
- 2014 - Keynote Speaker, Global G30 Symposium (2014)
- 2014 - RCAPS Conference Chairperson
- 2014 - RCAPS Conference Chairperson
- 2014 - Global G30 Symposium Keynote Speaker
- 2014 - Global G30 Symposium Keynote Speaker
- 2009 - 2012 Chairperson, ENVOL International Symposium (2009-2012)
- 2009 - 2012 Chairperson, ENVOL International Symposium (2009-2012)
- 2009 - 2012 ENVOL International Symposium Chairperson
- 2009 - 2012 ENVOL International Symposium Chairperson
- 2008 - 2012 Coordinator, Oita Research Consortium, Oita Japan (2008~2012)
- 2008 - 2012 Coordinator, Oita Research Consortium, Oita Japan (2008~2012)
- 2008 - 2012 Oita Research Consortium, Oita Japan Coordinator
- 2008 - 2012 Oita Research Consortium, Oita Japan Coordinator
- 2007 - 2010 Chairperson, RCAPS Conference (2007-2010, 2014)
- 2007 - 2010 Chairperson, RCAPS Conference (2007-2010, 2014)
- 2007 - 2010 RCAPS Conference Chairperson
- 2007 - 2010 RCAPS Conference Chairperson
- 2010 - Chairperson, ICACT International Conference (2010)
- 2010 - Chairperson, IAAPS International Conference (2010)
- 2010 - Chairperson, ICACT International Conference (2010)
- 2010 - Chairperson, IAAPS International Conference (2010)
- 2010 - ICACT International Conference Chairperson
- 2010 - ICACT International Conference Chairperson
- 2010 - IAAPS International Conference Chairperson
- 2010 - IAAPS International Conference Chairperson
- 2006 - Commentator, 22nd Annual Conference, Japan Society of Educational Information (2006)
- 2006 - Commentator, 22nd Annual Conference, Japan Society of Educational Information (2006)
- 2006 - 22nd Annual Conference, Japan Society of Educational Information Commentator
- 2006 - 22nd Annual Conference, Japan Society of Educational Information Commentator
- 2000 - Chairperson, WCC2000-ICSP2000 (2000)
- 2000 - Chairperson, WCC2000-ICSP2000 (2000)
- 2000 - WCC2000-ICSP2000 Chairperson
- 2000 - WCC2000-ICSP2000 Chairperson
- Reviewer, IEEE, IAAPS, and RCAPS Conference Papers
- Reviewer, IEEE Transactions, IETE, IAAPS, and RCAPS Journals
- Reviewer, IEEE, IAAPS, and RCAPS Conference Papers
- Reviewer, IEEE Transactions, IETE, IAAPS, and RCAPS Journals
- IEEE, IAAPS, and RCAPS Conference Papers Reviewer
- IEEE, IAAPS, and RCAPS Conference Papers Reviewer
- IEEE Transactions, IETE, IAAPS, and RCAPS Journals Reviewer
- IEEE Transactions, IETE, IAAPS, and RCAPS Journals Reviewer