Msgr. Lucio Adrian Ruiz is an Argentinian priest (1965). He completed his studies at the Major Seminary of Santa Fe, Argentina. He obtained a Master’s in Business Administration (MBA) at the Polytechnic University of Madrid and a License in Fundamental and Dogmatic Theology at the Pontifical University of the Holy Cross, in Rome, with a thesis on the Theology of Communication.

Member of the International Forum on the Theology of Communication. He obtained his PhD in Biomedical Engineering from the Escuela Técnica Superior de Ingenieros de Telecomunicación at the Polytechnic University of Madrid. He worked as a professor at the Theological Pastoral Institute (ITEPAL) in Bogotá and was guest professor of tele-training courses for Latin America at the Pontifical Gregorian University. Professor at the Pontifical University of the Holy Cross in Rome. He carried out his ministry at the Holy See as Head of the Vatican Internet Service; he was a member of the Vatican Media Centre Commission for the reform of Holy See communication. With the creation of the new Dicastery in the Roman Curia, he was appointed Secretary of the Dicastery for Communication, Holy See, where he oversees projects such as "The Church is listening to you" and "Digital Synod"