Dan Jaffé is Senior Lecturer of Jewish History at Bar-Ilan University and chief editor of the series Judaïsme ancien et christianisme primitif published by Cerf Edition in Paris. He has published many studies on Rabbinic Judaism, Early Christianity and Jewish historiography on the historical Jesus. His recent books are Les identités en formation. Rabbis, hérésies, premiers chrétiens (2018) and Juifs et chrétiens aux premiers siècles. Identités, dialogues et dissidences (2019). Rivka Nir is researcher and a teacher of Jewish History in the Second Temple Period and Early Christianity at The Open University of Israel. Her publications include The Destruction of Jerusalem and the Idea of Redemption in the Syriac Apocalypse of Baruch (2003), Joseph and Aseneth. A Christian Book (2012) and The First Christian Believer, In Search of John the Baptist (2019). Yaakov Teppler is Lecturer of Jewish Studies in Late Antiquity and Early Middle Ages, former Head of the History Department and now Dean of Students at Beit Berl College, Israel. He is author of Birkat Haminim, Jews and Christians in Conflict in the Ancient World (2007) and a number of published studies on Rabbinic Judaism and Christianity.