Short biography of Jean-Louis MISSIKA Jean-Louis Missika is the Editor of La Grande Conversation, the journal of the french Think Tank Terra Nova. From 2008 to 2020, he was Deputy Mayor of Paris, first with mayor Bertrand Delanoë, in charge of innovation, research and universities, then with mayor Anne Hidalgo, in charge of urban planning, architecture, economic development, Greater Paris, and attractiveness. Previously, he funded and managed a consulting firm specializing in media, information and communication technologies. He was professor of sociology of the media at Sciences Po Paris and Visiting Senior Fellow at the London School of Economics. He directed documentaries for television, including interviews with Raymond Aron (Le spectateur engagé, 1981) and with Cardinal Jean-Marie Lustiger (Le choix de Dieu, 1987). He has published numerous books: recently a conversation with Xavier Niel, founder of Iliad-Free, (Une sacrée envie de foutre le bordel, Flammarion 2024) in 2022, with Henri Verdier, Le business de la haine, published by Calmann Lévy, where he analyzes the role of social networks in the crisis of democracy;in 2018, with Pierre Musseau, Des robots dans la ville, published by Tallandier, about the impact of the emergence of autonomous vehicles for the organization and governance of cities;in 2006, La fin de la télévision, published by Le Seuil, where he addresses the effects of the digital revolution on television and public space, and in 2007, Parler pour gagner, sémiotique des discours de la campagne présidentielle de 2007 (in collaboration with Denis Bertrand and Alexandre Dézé), published by Presses de Sciences Po, where he studies the mutations and effects of the political rhetoric of presidential candidates. He also published online, in 2019, an essay on The New Parisian Urbanism, and in 2026, an essay on The Parisian Mobility Revolution, and an essay on The Underground cities of Paris and Barcelona. He has been General Manager of BVA (Market Research), Deputy General Manager of Sofres (Market Research) and Editor-in-Chief of the journal Médiaspouvoirs. He was also vice-chairman of the board of ILIAD (the parent company of FREE) between 2004 and 2008. Between 1988 and 1991, Jean Louis Missika directed the Information Service of Prime Minister Michel Rocard.