- Area chair (Language Resources and Evaluation): ACL 2016
- Area chair (Language Resources and Evaluation): ACL 2014
- Program Co-Chair: The First CIPS-SIGHAN Joint Conference on Chinese Language Processing CIPS-SIGHAN 2010
- Area Chair ("Chinese Language Processing"): COLING 2010, Beijing, China
- Program Co-Chair, the 4th Linguistic Annotation Workshop (The LAW IV), in conjunction with ACL 2010, Uppsala, Sweden.
- NAACL-HLT 2009 tutorial (Boulder Colorado): "OntoNotes: the 90% Solution" slides
- Co-Organizer: The 3rd Linguistic Annotation Workshop ( The LAW III).
- Co-Organizer: The CoNLL Shared Task 2009: Syntactic and Semantic Dependencies in Multiple Languages.
- Co-Organizer: The 2nd Linguistic Annotation Workshop (The LAW II)