| 2013-04 -- 2017-03 | Information Processing Society of Japan | Steering committee member of the SIG Groupware and Network Services |
| 2012-04 -- 2016-03 | Information Processing Society of Japan | Steering committee member of the SIG Digital Content Creation |
| 2012-05 -- 2016-05 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | SIG HCS (Human Communication Science) Steering Board member |
| 2012 -- 2014 | Asia-Pacific Society for Computers in Education | CUMTEL SIG (Classroom, Ubiquitous and Mobile Technologies Enhanced Learning Special Interest Group) committee member |
| 2012 -- 2020-03 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | SIG CEA (Cooking and Eating Activities) Steering Committee member |
| 2010 -- (current) | Institute of Electrical and Electronics Engineers (IEEE) | Member of Technical Committee on Computer Supported Cooperative Work in Design |
| 2008 -- (current) | THE VIRTUAL REALITY SOCIETY OF JAPAN | SIG SBR Steering Committee Member |
| 2001 -- (current) | THE VIRTUAL REALITY SOCIETY OF JAPAN | SIG CyberSpace Steering Committee Member |
| 2006 -- (current) | Information Processing Society of Japan | Senior reviewer of the journal |
| 2000 -- (current) | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | Reviewer |
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