JCDE 2017, Junior Conference on Data Science and Engeenering, Paris Saclay. Prohgram chair and local chair with Flora Jay.
TaPP'16, 8th USENIX workshop on Theory and Practice of Provenance, Washington DC. Program Chair.
DILS'08, the 5th Annual International workshop on Data Integration in the Life Sciences, University of Evry, France 2008. Program co-Chair (with Amos Bairoch, SwissProt and Christine Froidevaux, LRI)
DILS'07, the 4th Annual International workshop on Data Integration in the Life Sciences, University of Pennsylvania, USA, 2007. Proceedings co-editor (with Val Tannen), LNBI, Springer; Publicity Chair; Web Master
II 2007 (Workshop in Information Integration), University of Pennsylvania, USA. Local organizer; Editor of the Proceedings (printed locally)