Community engagement and professional service

Community leadership

• Secretary, ACM SIGIR Executive Committee (2025-2028)
• Associate Editor, ACM Transactions on Information Systems (2024-2027)
• Community Relations Coordinator, ACM SIGIR Executive Committee (2022-2025)
• Guest editor, Special Issue of Information Retrieval Journal (IRJ) on Neural Information Retrieval, June 2018

Conference chairing

• Responsible Web Track Chair, WebConf, 2026
• IR for Good Chair, ECIR, 2026
• Program Chair, SIGIR-AP, 2025
• Best Paper Chair, SIGIR-AP, 2024
• Resource & Reproducibility Chair, SIGIR, 2024
• Industry Chair, FIRE, 2023
• Tutorials Chair, ECIR, 2023
• PhD Symposium Chair, CIKM, 2022
• Diversity and Inclusion Scholarship Chair, CIKM, 2021
• Diversity, Equity, and Inclusion chair, SIGIR, 2021
• Virtual Organization chair, SIGIR, 2021
• Session chair:
  • IR Models, SIGIR, 2021
  • Deep learning in practice, Industry track, WWW, 2017

Invited participation

• Dagstuhl Seminar on Retrieval-Augmented Generation – The Future of Search?, September 2025
• The 4th Strategic Workshop on Information Retrieval in Lorne (SWIRL) (report), February 2025
• Future of Information Retrieval Research in the Age of Generative AI (report), by Computing Community Consortium, July 2024

Shared task organization

• Tip-of-the-Tongue task, NII Test Collection for IR Systems (NTCIR), (2026)
• Tip-of-the-Tongue track, Text REtrieval Conference (TREC), (2023-2025)
• Deep Learning track, Text REtrieval Conference (TREC), (2019-2023)
• Microsoft MAchine Reading COmprehension (MS MARCO) passage and document ranking leaderboards, November 2018.

Workshop organization

• LLM4Eval: Large Language Model for Evaluation in IR, SIGIR, July 2025
• LLM4Eval: Large Language Model for Evaluation in IR, WSDM, March 2025
• ReNeuIR at SIGIR 2024: The Third Workshop on Reaching Efficiency in Neural Information Retrieval, SIGIR, July 2024
• LLM4Eval: Large Language Model for Evaluation in IR, SIGIR, July 2024
• The Search Futures Workshop, ECIR, March 2024
• HIPstIR 2019: The hip “stick, sand, and paper” retreat on the future of information retrieval, (report), September 2019
• Neu-IR’17: SIGIR 2017 Workshop on Neural Information Retrieval (report), SIGIR, August 2017
• Neu-IR 2016: The SIGIR 2016 Workshop on Neural Information Retrieval (report), SIGIR, July 2016

Tutorial organization

• Learning to Rank for Information Retrieval with Neural Networks (slides + video + hands-on lab materials), ACM SIGIR/SIGKDD Africa Summer School on Machine Learning for Data Mining and Search (AFIRM), January 2020
• Deep Learning for Search (slides), Forum for Information Retrieval Evaluation (FIRE), December 2019
• Neural Learning to Rank (slides), IVADO recommender systems summer school, August 2019
• Deep Learning for Search (slides + hands-on lab materials), ACM SIGIR/SIGKDD Africa Summer School on Machine Learning for Data Mining and Search (AFIRM), January 2019
• Neural Networks for Information Retrieval, ECIR, March 2018
• Neural Networks for Information Retrieval, WSDM, February 2018
• NN4IR: The SIGIR 2017 tutorial on Neural Networks for Information Retrieval, SIGIR, August 2017
• The WSDM 2017 Tutorial on Neural Text Embeddings for Information Retrieval (slides), WSDM, February 2017