• Member of the Board of IT Department at CNAM
• Member of the Board of the CEDRIC lab (since 2009)
• Member of the Comité de Sélection for CNAM (2009,2010,2012)
• Member of the Comité de Sélection for ENSIIE/Univ. Evry (2009)
• Member of the Comité de Sélection for Univ. of Versailles (2010,2011)
• Member of the Comité de Sélection for Univ. Paris-Dauphine (2011)
• Membre of the ANR (National Research Agency) experts for the open program "programme blanc" (2008, 2010)

Member of Program Committee:

• SWAN'06 (Intl. Workshop on Security and Trust of Web-oriented Application Networks)
• NLDB'07, NLDB'10 (Intl. Conf. on Applications of Natural Language to Information Systems)
• DB'09 (Intl. Conf. on Advances in Databases)
• DaSECo'09 and DaSECo'10 (Intl. Workshop on Defence against Spam in Electronic Communication)
• BDA'09, BDA'10 and BDA'11 (Journées Bases de Données Avancées)
• DBKDA'09, DBKDA'10, DBKDA'11 and DBKDA'12 (Intl. Conf. on Advances in Databases, Knowledge, and Data Applications)
• DEXA'09, DEXA'10, DEXA'11 and DEXA'12(Intl. Conf. on Database and Expert Systems Applications)
• EDBT'10 (Intl. Conf. on Extending Database Technology)

Journal Reviewer:

• VLDBJ (Journal on Very Large Databases)
• DAMI (Journal on Data Mining and Knowledge Discovery)
• IS (Journal of Information Systems)

Member of Organization Committee:

• NLDB'07 (Intl. Conf. on Applications of Natural Language to Information Systems)

External Reviewer:

• ICDE (Intl. Conf. on Data Engineering)
• ACM-GIS (Intl. Symp. on Advances in Geographic Information Systems)
• SSTD (Symp. on Spatial and Temporal Databases)
• BDA (Journées Bases de Données avancées)
• SSDBM (Intl. Conf. on Statistical and Scientific Database Management)
• OTM (On the Move Conf.)
• ER (Intl. Conf. on conceptual Modeling)
• ICIS (Intl. Conf. on Information Systems)
• ...