I am a trustee of the VLDB Endowment 2022-present (serving as the secretary since 2024).

I am Editor-in-Chief of the Proceedings of the VLDB Endowment (PVLDB), 2025-present.

I am/was an associate editor for the following journals:

• ACM Transactions on Database Systems (TODS), 2025-present.
• Proceedings of the ACM on Management of Data (PACMMOD), 2025-present.
• International Journal on Very Large Data Bases (VLDBJ), 2017-2023.
• IEEE Transactions on Knowledge and Data Engineering (TKDE), 2018-2023.
• Distributed and Parallel Databases (DAPD), 2017-present.
• Proceedings of the VLDB Endowment (PVLDB), 2018-2020, 2022-2024.

I am/was a program committee member for the following conferences/workshops:

• ACM SIGMOD International Conference on Management of Data (SIGMOD), 2010, 2013, 2014 (Group Leader), 2015, 2016, 2018, 2020-2025, 2026 (Associate Editor), 2027 (Associate Editor).
• International Conference on Very Large Data Bases (VLDB), 2012-2015, 2019-2020 (Associate Editor), 2021, 2022, 2023 (Associate Editor), 2024 (Associate Editor), 2025, 2027 (Associate Editor).
• International Conference on Data Engineering (ICDE), 2011, 2012, 2014, 2015 (Track Chair), 2017, 2019, 2020, 2021 (Area Chair), 2022 (Area Chair), 2023 (Area Chair), 2024-2025.
• ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (SIGKDD), 2010, 2012-2021, 2024, 2025 (Area Chair), 2026 (Area Chair).
• ACM Conference on Computer and Communications Security (CCS), 2019, 2020, 2022-2025.
• International World Wide Web Conference (WWW), 2011, 2014, 2016, 2020-2022 (Senior PC).
• International Conference on Machine Learning (ICML), 2021-2024.
• Annual Conference on Neural Information Processing Systems (NeurIPS), 2020-2023.
• International Conference on Learning Representations (ICLR), 2022-2024.
• AAAI Conference on Artificial Intelligence (AAAI), 2020, 2021-2022 (Meta-reviewer).
• International Joint Conference on Artificial Intelligence (IJCAI), 2019-2020.
• ACM International Conference on Information and Knowledge Management (CIKM), 2010, 2013, 2015, 2017, 2018, 2019-2024 (Senior PC).
• International Symposium on Spatial and Temporal Databases (SSTD), 2011, 2013, 2015, 2017, 2019.
• International Conference on Mobile Data Management (MDM), 2016-2019.
• International Conference on Database Systems for Advanced Applications (DASFAA), 2011-2017, 2018 (Senior PC), 2019, 2020 (Senior PC).
• Annual IFIP WG 11.3 Working Conference on Data and Applications Security (DBSec), 2011, 2013.
• International Workshop on Ranking in Databases (DBRank), 2009, 2010.
• Joint International Conferences on Asia-Pacific Web Conference (APWeb) and Web-Age Information Management (WAIM), 2009.