- PC Chair:
- SIGIR 2022: Short Paper Track
- ECIR 2024: Reproducibility Track
- Workshop Organizer / Chair:
- Associate Editor:
- ACM Transactions on Information Systems (TOIS) 2021 – current
- Guest Editor:
- ACM TOIS Special Issue on Pre-trained Models for Search and Recommendation
- ACM TWEB Special Issue on Conversational Information Seeking
- ACM TOIS Special Issue on Conversational Search and Recommendation
- Senior Program Committee / Area Chair:
- SIGIR 2020 – 2024
- The Web Conference (WWW) 2021 – 2023
- WSDM 2024
- CIKM 2021 – 2023
- NAACL 2021
- Program Committee:
- SIGIR 2018 – 2019
- The Web Conference (WWW) 2018 – 2020
- WSDM 2018 – 2020
- RecSys 2018 – 2021
- CIKM 2017 – 2020
- ICTIR 2019 – 2021
- CHIIR 2022 – 2023
- ICLR 2021
- NAACL 2019
- ECIR 2019 (short papers)
- DESIRES 2021, 2022
- Workshops: ReNeuIR @ SIGIR 2022 – NLP4ConvAI @ EMNLP 2021 – MICROS @ ECIR 2021 – PodRecs @ RecSys 2020, 2021 – SCAI @ EMNLP 2020 – NLI @ ACL 2020 – SCAI @ IJCAI 2019 – EARS @ SIGIR 2018 – KG4IR @ SIGIR 2017, 2018 – NeuIR @ SIGIR 2017 – LEARNER @ ICTIR 2017 – RecSysChallenge @ RecSys 2017
- Journal Reviewer:
- TOIS
- IRJ
- IP&M
- FntIR
- TKDE
- TWEB
- TIIS
- JASIST
- Inf. Syst.
- ACM SIGIR Student Liaison (representing North and South Americas) 2017 – 2019
- NSF III Proposal Reviewing Panel, 2021 – 2023