Vagni is a teacher of Media Sociology at the University of Macerata and at the IULM in Milan, where he currently works as a researcher. He completed a Ph.D. in Sociology with a co-tutoring between IULM and The Sorbonne. He is a member of the Centre d’Études sur l’Actuel et le Quotidien (CEAQ) and held a fellowship at the ATOPOS international research centre of Universidade de São Paulo (ECA-USP).
His works focus on cultural industry, social media and gastronomy. He directs the book series iMedia at Edizioni Estemporanee (Rome) and collaborates with Gruppo Editoriale L’Espresso and with the magazine Mark Up. He has edited the Italian version of several essays on media theory, among which is Patrice Flichy’s La società degli amatori. Sociologia delle passioni ordinarie nell’era digitale (Naples 2014). His last book is Abitare la TV. Teorie, immaginari, reality show (Milan, 2017).