After collaborating with  press agencies and working for an institution in Paris (Palais de Tokyo), Nadia Fatnassi became Fair Manager and Head of International Relations for ART-O-RAMA art fair in Marseille in 2009, then Head of Press and Public relations for Manifesta 13 Marseille. In parallel, Nadia Fatnassi created in 2017 the Press and Public Relations agency CloseEncounters.

Her clients include DCA, the French network of art centres, Manifesta, the European Nomadic Biennial, Institut des Cultures d’Islam, Magasin CNAC, festivals such as the Printemps de l’art contemporain and Les Rencontres à l’Échelle as well as the Albanian and the Republic of Kosovo pavilions for the 59th edition of the Venice Biennale.