- Key-member and Director of the Economic Interest Group TransExpert (till 2001) dedicated to the Public Transport studies.
- Key-member and Director of the European Interest Group TRUST (Transmodel Users’ Support Team), dedicated to the development of the European Reference Data Model for Public Transport (Transmodel) (till 2001).
- Cooperation at international level with the main actors in the field of Research and Development of Public Transport within programmes financed by the French Ministry of Transport and the European Commission.
- Technical coordination of European Projects
- Leader of European experts’ groups
