| 2010 -- 2010-11 | | WebDB Forum 2010 |
| 2011-07 -- 2012-04 | | The 17th International Conference on Database Systems for Advanced Applications (DASFAA 2012) |
| 2012-06 -- 2014-06 | 日本データベース学会 | |
| 2012-07 -- 2013-03 | 電子情報通信学会 | 情報・システムソサイエティ学術奨励賞選定委員会 |
| 2012-07 -- 2012-11 | | Seventh International Conference on Broadband and Wireless Computing, Communication and Applications(BWCCA 2012) |
| 2012-09 -- 2013-06 | Association for Computing Machinery | 2013 ACM SIGMOD, Demonstration Program Committee |
| 2013-04 -- 2013-08 | | the First VLDB Workshop on Databases and Crowdsourcing (DBCrowd 2013) Program Committee Member |