- 2017
VSMM2017 International Conference - Technical Program Committee
HCI KOREA 2017 - Program Committee - 2016
VSMM2016 International Conference - Technical Program Committee
HCI KOREA 2016 - Program Committee
Marquis Who's Who in Science and Engineering 2016-2017 (12th Edition) - 2015
DigitalHeritage2015 International Congress - Program Committee
Graphics/VR/Multimedia Workshop at ACDDEE2015 - Program Committee - 2014
VSMM2014 International Conference - Technical Program Committee
Marquis Who's Who in the World 2014 (31st Edition) - 2013
DigitalHeritage2013 International Congress - Program Committee - 2012
Workshop at SIGGRAPH ASIA 2012 - Program Committee (CFP)
VSMM2012 International Conference - Scientific Committee
ASIAGRAPH2012 International Conference - Program Committee - 2011
ICCCT2011 International Conference - Program Committee
ISVRI2011 International Conference - Session Organizer
ASIAGRAPH2011 International Conference - Program Committee - 2010
VRCAI2010 International Conference - Session Organizer, Program Committee
VSMM2010 International Conference - Program Committee
ASIAGRAPH2010 International Conference - Program Committee - 2009
ASIAGRAPH2009 International Conference - Program Committee
Korea-Japan Metaverse Forum, Convergence Content Insight 2009 - Invited Speech (Theme: Metaverse) [x] - 2008
Future UI Research Forum, Ubiu.Net Joint Seminar - Invited Speech (Theme: Augmented Reality)
Award
- 2017 Albert Nelson Marquis Lifetime Achievement Award
- 2015 Korea Computer Congress 2015, Best Presentation Award
- 2005 The Fall Conference of Korea Multimedia Society, Best Paper Award
- 2005 Korea Sun Microsystems SunBrain Contest, StarSuite Tech. 1st Place Award
- 1994 National Computer Software Competition, 1st Place Award