Graduated in 1997 in Italian Language and Literature at the University of Perugia with the thesis "The exemplary dimension of Dante's Comedy", the professor Di Dio teaches literary subjects at the Comprehensive Institute "E.Mattei" of Matelica, dedicating a good part of his activity to the deepening of intercultural dynamics, the reception of foreign students and the teaching of Italian as a second language.
Since 1999 he has organized Italian language and culture courses to foreigners, also proposing training courses for teachers for various institutions, both state and non-state.
He collaborates with the University of Venice where he obtained the CEDILS certification and the Itals Master (Teaching and promotion of Italian language and culture to foreigners) and is now tutor in the modules attended by the teachers for the achievement of the Master.
He has published the CD "Dante e le Marche", a cultural artistic path already presented in the Universities and Cultural Institutions of Argentina and various European countries.
His research activity is concentrated in the drafting and presentation of readings and themes of Italian language and culture. His lectures (on Italian dialects in popular songs, on Dante Alighieri, Roman Art, San Francesco, The History of Italy through singing) were held in different Universities and Institutions where Italian language and culture are studied in Italy and around the world.