David T. Koyzis is a Christian political scientist and author. He has graduate degrees from the Institute for Christian Studies and the University of Notre Dame. He has taught at Redeemer University College since 1987. He is the author of Political Visions and Illusions which was Christianity Today's Editor's Bookshelf selection in July 2003. Koyzis has written sixty English versifications and nearly as many musical arrangements for Genevan Psalter. Koyzis sometimes describes himself as a Byzantine-rite Calvinist.