- Program co-chair: UMAP'2021
- Program co-chair: IUI'2020
- Editorial board: UMUAI and i-com - Journal of Interactive Media (de Gruyter)
- Senior PC: IUI'18, UMAP'17,18 and Recsys'17-20.
- Special Issue Guest Editor for UMUAI Journal: Fair, Accountable, and Transparent Recommender Systems, 2019 - Ongoing
- Chair of panel on Data Analytics: Balancing Insight, Privacy & Trust'' at the Big Data Conference, Edinburgh, 2016.
- Guest Editor (lead) for a TiiS Special issue on Human Interaction With Artificial Advice Givers.
- Poster and demo co-chair, UMAP'2015 and
- Workshop and tutorial co-chair, Honorable mention as outstanding organizing committee member IUI'15.
- Publicity co-chair IUI'2014 and UMAP'2014.
- Workshop co-organizer:
IntRS @ Recsys , Como (2017)
IntRS @ Recsys , Boston (2016)
IntRS @ Recsys , Vienna (2015)
IntRS @ Recsys , Silicon Valley (2014)
InterfaceRS @ Recsys , Dublin (2012)
ExaCt2009 @ IJCAI , Pasadena (2009)
and ExaCt2010 @ ECAI , Lisbon (2010),
and ExaCt2011 @ IJCAI , Barcelona (2011)