Lobbying consultant, graduate of the Institut d’Etudes Politiques de Paris, of the Institut Français de Presse and holder of a master’s degree in public law, Léonidas Kalogeropoulos runs the Cabinet Médiation & Arguments, which he founded in 1994.

Every two weeks, he appears on BFM radio in the morning show presented by Nicolas Doze, “Les Experts du 9-10” and regularly takes a stand in the national daily press, in articles published by Le Figaro, Le Monde and Atlantico…

Leonidas Kalogeropoulos is also the author of “Multimédia et Autoroutes de l’Information”, (Nathan, 1995) and the inventor of several products of general interest (Removable urban signs, Velocchio – a hand-held bicycle mirror that received the silver medal at the Lépine competition in 2010).