is the pastor of Breccia di Roma, a church that he helped plant in Rome in 2009, and Vice Chairman of the Italian Evangelical Alliance. His PhD is from King's College (London); it was published as Evangelical Theological Perspectives on Post-Vatican II Roman Catholicism (2003). In 2015, he published A Christian Pocket Guide to Papacy through Christian Focus. He is a lecturer of historical theology at Istituto di Formazione Evangelica e Documentazione in Padova, Italy. Additionally, Leonardo is the director of the Reformanda Initiative, which aims to equip evangelical leaders to better understand and engage with Roman Catholicism, and the leader of the Rome Scholars Network (RSN).