Educated at Loyola University Chicago, Ph.D., 1999; University of Ottawa, M.A., 1991; Bishop's University, B.A. (Honours), 1988. Specializes in Old English, medieval Latin poetry, early medieval Christianity, and historical linguistics. Awarded grants from the Social Sciences and Humanities Research Council of Canada, the National Endowment for the Humanities, and the Mellon Foundation. Harris sits on the Executive Board of the Old English Group of the Modern Language Association, the Executive Board of the MLA Old Norse Group, and the Board of the International Society of Anglo-Saxonists (isasweb.org). He is the Editor of the journal, Old English Newsletter, and director of Old English Publications LLC, whose volumes include the first English translation of Jorge Luis Borges, Ancient Germanic Literatures (with the Arizona Center for Medieval and Renaissance Studies).
- Race and Ethnicity in Anglo-Saxon Literature (Routledge, 2003)
- Misconceptions about the Middle Ages (Routledge, 2008), edited with Bryon Grigsby;
- Vox Germanica: Essays on Germanic Literature and Culture in Honor of James E. Cathey, edited with Michael Moynihan and Sherrill Harbison (University of Arizona, 2013).
- Bede and Aethelthryth: An Introduction to Christian Latin Poetics (West Virginia, 2016).