Dr. Lemna has taught at The Catholic University of America, Belmont Abbey College, and Saint Joseph College in Indiana. He is a Senior Fellow with the Mother of the Americas Institute. He has published scholarly articles in The Heythrop Journal, Nova et Vetera, Communio: International Catholic Review, International Philosophical Quarterly, Logos: A Journal of Catholic Thought and Culture, The Gregorianum, Antiphon, and others. Dr. Lemna has contributed to the revised edition of The New Catholic Encyclopedia and to The Encyclopedia of Catholic Social Thought, Social Science, and Social Policy, and has contributed a chapter to Jesus Christ: The New Face of Social Progress (Eerdman's, 2014).
