T. Desmond Alexander (PhD, The Queen's University of Belfast) is senior lecturer in biblical studies and director of postgraduate studies at Union Theological College in Belfast, Northern Ireland. From 1980 to 1999, he was lecturer in Semitic studies at the Queen's University of Belfast. His main field of research is the Pentateuch, about which he has written extensively in academic journals and books.

Alexander also has a special interest in the relationship between the Old and New Testaments. He is the author of From Paradise to the Promised Land: An Introduction to the Main Themes of the Pentateuch, Abraham in the Negev, and The City of God and the Goal of Creation. He is a coeditor (with Brian S. Rosner) of the New Dictionary of Biblical Theology.