“The Sacraments in the Syriac Apocalypse of Baruch,” The World Congress of Jewish Studies, 1997.
“Did Adam and Eve Have Sex in Paradise? The Theological Background of the Pseudepigraphic-Apocalyptic Tradition,” International Meeting of the Society of Biblical Literature, 2004.
“The Struggle Between ‘The Image of God’ and Satan in the Greek Life of Adam and Eve,” International Meeting of the Society of Biblical Literature, 2005.
“The Conversion of Aseneth in a Christian Context,” International Meeting of the Society of Biblical Literature, 2006.
“Aseneth is the ‘Type of the Church of the Gentiles’,” The Thirty Sixth Conference of the Israel Society for the Promotion of Classical Studies, 2007.
“Aseneth as the ‘Prototype of the Church of the Gentiles’,” Annual Meeting of the Society of Biblical Literature, San Diego, 2007.
Josephus on John the Baptist-A Christian Interpolation?,” Annual Meeting of the Society of Biblical Literature, Boston, 2008.
The Image of John the Baptist between Judaism and Christianity" Israelite and Jewish Identity during the Biblical and Second Temple Period: Tribalism, Nationhood and Religion, Bar-Ilan University, 26 June 2008.
“The Appearance of Elijah and Enoch ‘before the judgment was held’ (1 Enoch, 90: 31) - A Christian tradition?,” Fifth Enoch Seminar: Enoch, Adam, Melchizedek: Mediatorial Figures in 2 Enoch and Second Temple Judaism, Naples, 14-18 June 2009.
“What do we really know on the Historical Image of John the Baptist?,” The Fifteenth World Congress of Jewish Studies, 2009.
“John the Baptist's Geographic Arena - History and Theology,” Annual Meeting of the Society of Biblical Literature, New Orleans 2009.
"It is not right for a man who worships God to repay his neighbor evil for evil" - Christian Ethics in Joseph and Aseneth (chapters 22-29). Annual Meeting of the Society of Biblical Literature, 2010.
"What did the Christians find in the Letter of Baruch that attracted them?" Sixth Enoch Seminar: 2 Baruch and 4 Ezra. Milan, 26-30 June 2011.
'And behold, lambs were born of those white sheep' (Enoch 90:6) – The Color White and Eschatological Expectation in the Animal Apocalypse of 1 Enoch', SBL, International Meeting in London 4-7 July 2011.
'A Response to Maria Haralambakis' Review of Rivka Nir, Joseph and Aseneth A Christian Book, Sheffield: Phoenix Press, 2012', SBL, International Meeting in Amsterdam, July 2012.
'Good tidings' of Baruch to the Christian Faithful (The Epistle of 2 Baruch 78-87), SBL, International Meeting in Amsterdam, July 2012.
"After All, The Ways of Judaism and Christianity Did Part", Inter-Cultural Exchange: Jews, Christians, Muslims, The Second International Conference, JCMcenter, December 26-27, 2012.
"Sexual Desire in the Book of the Watchers and the New Testament Exhortation to Sexual Abstinence". Enoch Seminar, Camaldoli, 2013.
"The Reliable Witness: John the Baptist in the Fourth Gospel". The 16th World Congress of Jewish Studies. Jerusalem 2013.
"John the Baptist in the Fourth Gospel: An ideal witness to Jesus, God and man", SBL, International Meeting in Vienna, July 2014.
" John the Baptist – a Jewish or Christian Martyr", JCMcenter conference, December 2015: Religion and Government: Jews, Christians, Muslims.
"Shepherds in the Nativity Story: a symbol of pagan believers in the early Christian community". The 45th Conference of The Israel Society for the Promotion of Classical Studies. June 2016.