Editorial Board, Chairs
| 2023 | Senior Area Chair (Summrization), EMNLP. |
| 2023 | Associate Editor, ACM/IEEE TASLP. |
| 2022 | Senior Area Chair (Summrization), NAACL. Associate Editor, ACM/IEEE TASLP Processing (TASL). |
| 2022 | Associate Editor, ACM/IEEE TASLP. |
| 2021 | Senior Area Chair (Sentence-level Semantics and Infer, Textual Inference and Other Areas), ACL. |
| 2020 | Co-Chair, The 33rd Canadian Conference on Artificial Intelligence. |
| 2020 | Best Paper Selection Committee, The 28th International Conference on Computational Linguistics (COLING). |
| 2020 | Co-Chair, The 14th International Workshop on Semantic Evaluation (SemEval). |
| 2020 | Workshop Chair, The 28th International Conference on Computational Linguistics (COLING). |
| 2019 | Best Paper Selection Committee, The 57th Annual Meeting of the Association for Computational Linguistics (ACL). |
| 2019 | Area Chair, Annual Meeting of the Association for Computational Linguistics (ACL). |
| 2019 | Area Chair, Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL). |
| 2015-2020 | Associate Editor, Computational Intelligence, Wiley. |
| 2019 | Co-Chair, International Workshop on Semantic Evaluation (SEMEVAL). |
| 2018 | Publication Co-Chair, International Conference on Computational Linguistics (COLING). |
| 2018 | Area Chair, Annual Meeting of the Association for Computational Linguistics (ACL). |
| 2018 | Area Chair, International Conference on Computational Linguistics (COLING). |
| 2018 | Co-Organizer, KDD Workshop on Issues of Sentiment Discovery and Opinion Mining (WISDOM). |
| 2017 | Steering Committee Member (review task proposals), SEMEVAL-2018. |
Grants review panel
| 2017 | Discovery Grants (Group 1507--Computer Science), NSERC*, Canada. (link) |
| *NSERC: | Natural Sciences and Engineering Research Council of Canada, Canada's federal funding agency that provides |
| grants for research in natural sciences and engineering. |
Grants review
| 2019 | General Research Funds, Hong Kong Research Grants Council. |
| 2019 | Discovery Grants, NSERC, Canada |
| 2018 | Discovery Grants, NSERC, Canada |
| 2018 | Research Support for New Academics, Fonds de recherche du Quebec, Canada |
| 2018 | General Research Fund (GRF), Research Grants Council (RGC), Hong Kong |
| 2017 | Faculty Development Scheme (FDS), Research Grants Council (RGC), Hong Kong |
| 2017 | General Research Fund (GRF), Research Grants Council (RGC), Hong Kong |
| 2017 | Tier-1 Grant, Nanyang Technological University, Singapore |
| 2016 | Discovery Grants, NSERC, Canada |
| 2015 | Discovery Grants, NSERC, Canada |
| 2010-2014 | Industrial Research & Development Fellowship, NSERC, Canada |
Book Proposal Review
| 2017 | Cambridge University Press |
PC Member & Journal Reviewer
| 2020-2021 | NeurIPS, ICLR |
| 2019 | ACL, AAAI, IJCAI, NeurIPS, ICML, ICLR |
| 2018 | EMNLP, ACL, NeurIPS, ICML, ICLR, AAAI, IJCAI, TASLP |
| 2017 | ACL, EMNLP, NIPS, AAAI, TASLP, TKDE, CSL |
| 2016 | ACL, EMNLP, NIPS, AAAI, TKDE, TASLP, JASIST, JBI |
| 2015 | EMNLP, IJCAI, NAACL, TASLP, TKDE, TAFFC |
| 2014 | COLING, TASLP, SLT, SEMEVAL |
| 2013 | ACL, NAACL, JBI, NLE, IJCNLP, SEMEVAL |
| 2012 | ACL, NAACL, EMNLP, COLING, EACL |