- Keynote speaker: The 4th International Workshop on Natural Language Processing for Social Media (SocialNLP)
- Founder and Program Chair: International Workshop on Event Analytics using Social Media, 2015, 2017, 2018
- Conference tutorials: KDD 2016, San Francisco, CA, SBP 2016, Washington, DC
- Post and Demo Chair, Communities & Technologies conference (C&T) 2021
- Track chair, AMA Summer Conference, 2018
- Associate Editor, International Conferences on Information Systems (ICIS), 2018 –
- Treasurer, The ACM Conference on Intelligent User Interfaces (IUI), 2016
- Regularly serve on Program Committee for leading conferences in information systems, management, computer sciences, such as ICIS, WITS, CIST, HICSS, WeB, CSWIN, ICWSM, KDD, WWW, SBP, WSDM, NetSci, AAAI, IJCAI, ACL, NAACL, EMNLP
- Journal Reviewer: Information Systems Research (ISR), Management Science (MS), MIS Quarterly (MISQ), Journal of Management Information Systems (JMIS), Decision Support Systems (DSS), INFORMS Journal of Computing (JOC), Electronic Commerce Research (ECR), Production and Operations Management (POM), Journal of the Association for Information Science and Technology (JAIS), Journal of the Association for Information Science and Technology (JAIST), Journal of Retailing, Information Retrieval Journal, ACM Transactions on Knowledge Discovery from Data (TKDD), ACM Transac- tions on Information Systems (TOIS), ACM Transactions on MIS, ACM Transactions on Intelligent Systems and Technology (TiiS), IEEE Transactions on Knowledge and Data Engineering (TKDE), IEEE Transactions on Big Data (TBD), IEEE Transactions on Multimedia (TMM), Social Network Analysis and Mining
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