Dr Fabien Piasecki, holds a Ph.D. in Information and Communication Science. As a coordinator of Sciences Citoyennes, he was mandated to coordinate and organize the World Forum on Science and Democracy, an international platform of dialogue between social movements, NGOs and academics. Within Sciences Citoyennes, he is actually involved in the acculturation on climate issues and more particularly on the geo-engineering controversy, in the development and dissemination of a participatory process named “Citizens Convention”. This project aims at involving citizens in scientific and technological choices and orientations at a national and international level. Thanks to these activities, Fabien Piasecki had and still has many opportunities to confront points of views and people from different geographic areas and with various cultural and social backgrounds to reach common goals or co-build initiatives.