Yves Mathieu is co-director of Missions Publiques (Paris, France), a social entrepreneur which aim is to foster better public policies through citizen’s participation at national, regional and global levels. Missions Publiques design and manage processes that active the expertise of ordinary citizens and stakeholders. References include UNFCCC secretariat, French Government, German Environment Agency, European Commission, European Space Agency, regional and local governments. Missions Publiques partners with 100+ organisations all over the world. Yves Mathieu was co-coordinator of World Wide Views on Climate and Energy, the largest global citizens deliberation organized (76 countries, 100 debates, 10.000 citizens, 1 day). Yves is active in the TEDx community, as well as in the Institute of the Desirable Futures.