| 2010 -- 2012 | Information Processing Society of Japan | Editorial board member of the special journal issue on "Collaboration technologies for augmenting knowledge" |
| 2010 -- 2011 | Information Processing Society of Japan | Editorial board member of the special journal issue on "Technology, design and applications of interaction" |
| 2009 -- 2011 | Information Processing Society of Japan | Editorial board member of the special journal issue on "Expanding network service technologies by visualization" |
| 2010 -- 2011 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | SIG HCS (Human Communication Science) Steering Board member |
| 2009 -- 2010 | Information Processing Society of Japan | Editorial board member of the Handbook of Information Processing |
| 2009 -- 2010 | Information Processing Society of Japan | Journal of Information Processing WG member |
| 2009 -- 2010 | Information Processing Society of Japan | Editorial member of the special journal issue on "Network service technologies for environmental and societal contribution" |
| 2009 -- 2010 | Information Processing Society of Japan | Editorial board member of the special journal issue on "Technology, design and applications of interaction" |
| 2009 -- 2010 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | SIG HCS (Human Communication Science) Steering Committee member |
| 2008 -- 2009 | Information Processing Society of Japan | Editor in Chief of the special journal issue on "Collaboration support in daily life" |
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