Nicolas Vanderbiest is a teaching assistant and Ph D candidate at the Université Catholique de Louvain, Belgium. His thesis subject is ‘Reputation crises of organizations on social media. A systemic approach’. He is the author of the blog Reputatio Lab, which gathers a database of more than 400 social media crises. He also analyzes crises, astroturfing and social media phenomena for the French media Rue89 and Belgian radio station La Première (RTBF).