Gaetano Lettieri is Full Professor of History of Christianity in the Faculty of Letters and Philosophy at the Sapienza University of Rome. In November 2012, he was Visiting Professor at the Universität Freiburg/Université de Fribourg. In January-February 2014, he was Directeurs d’études invités at the École pratique des hautes études – Section des sciences religieuses located in the Sorbonne.
His specialization and his publications focus on the history of Christianity in its first centuries and on the history of Christian theological thought.
His latest book is Il differire della metafora. Il transfert del desiderio da Gregoria di Nissa e Agostino a Ricoeur e Derrida, Edizioni Nuova Cultura, Roma, 2021.