Nathan Mastnjak

Biography

Nathan Mastnjak joined the faculty at the University of Notre Dame in 2025 as Assistant Professor of Hebrew Bible/Old Testament. He has previously taught at Notre Dame Seminary, New Orleans (2019–2025) and completed postdoctoral fellowships first at Indiana University Bloomington (2015 to 2018) and then Harvard (2018 to 2019).

Mastnjak received his Ph.D. in Hebrew Bible and the Ancient Near East from the University of Chicago in 2015. His research and writing focus on the prophetic literature of the Old Testament. His first book, Deuteronomy and the Emergence of Textual Authority in Jeremiah, was published in 2016 by Mohr Siebeck. His second book, Before the Scrolls: a Material Approach to Israel’s Prophetic Library, was published in 2023 by Oxford University Press. Mastnjak has also published a number of articles in scholarly journals, including Biblical Interpretation, Hebrew Studies, Journal for the Study of the Old Testament, The Catholic Biblical Quarterly, The Journal of Religion, and Vetus Testamentum.