Jason Welle, OFM, holds a PhD in Theological and Religious Studies from Georgetown University and master’s degrees from the University of Notre Dame and Catholic Theological Union. He is currently Director of Studies at the Pontifical Institute for Arabic and Islamic Studies (PISAI) in Rome, where he teaches courses in Islamic Studies and Muslim-Christian relations. His research centers on medieval Islamic mysticism and on the Franciscan family’s encounters with Muslims. He is co-translator of a forthcoming volume of treatises by Abū ʿAbd al-Raḥmān al-Sulamī (Treatises on the Sufi Path, Islamic Texts Society, 2022) and co-editor of a two-volume collection of papers from the 2015 Ecclesiological Investigations conference in Washington, DC: Vatican II: Remembering the Future – Ecumenical, Interfaith and Secular Explorations of the Council’s Legacy and Promise (2018). He is a Franciscan friar of the Assumption B.V.M. Province in the United States.