1. Vice Chair/Chair-elect, ACL SIGHAN (2014)
2. Information Officer, ACL SIGHAN (2012-2013)
3. Vice President: Chinese and Oriental Language Information Processing (COLIPS) (2011-2013)
4. Council Member  and Publication Chair:  the  Chinese and Oriental Language Information Processing Society (COLIPS)  (2005-2010)
5. Steering Committee Member of PACLIC (2011-) 
6. Executive Member of the  Asia Federation of Natural Language Processing (AFNLP) (2005-)
7. Member: Association of Computational Linguistics (ACL) (2005-)
8. Member: International Speech Communication Association (ISCA) (2009)