Roberto Arditti is the managing director for Exponet. He earned his degree in economics and business from Bocconi University in Milan. He was director of the radio station RTL 102.5 from 1992 to 1997 and then directed the radio program "L'Indignato Speciale" (The Special Indignant) with Andrea Pamparana and Fulvio Giuliani. He was also one of the writers of "Porta a Porta" for the Rai 1 TV station from 1997 to 2001 and then again from 2002 to 2007. In November 2007 he published the book "Obiettivi Quasi Sbagliati" (Almost Missed Targets), published by Sperling & Kupfer, and dedicated to 13 stories of victims of terrorism in the "years of lead". From 2007 to 2010 he was editor of the newspaper Il Tempo. He is currently Director of Institutional Affairs of Expo 2015 S.p.A.