Thierry Libaert is an expert French in communication of the organizations.

Teaching the communication and information sciences with the Institute of political studies of Paris, at the University Paris-Iv (CELSA) in 2nd and 3rd cycles, with the University of the Meeting (3rd cycle), and with the catholic University of Leuwen, where he is also member of the Analysis laboratory of the Communication systems of Organization (the University of Louvain the New one), of the editorial board of the review " Communication & Langages" and of the editorial board of the " Magazine of the communication of crisis and sensible". Lastly, Thierry Libaert is member of the ecological committee of day before the Foundation Nicolas Hulot and scientific director of the International observatory of the Crises.