David G. Bonagura, Jr. is an adjunct professor of classical languages at St. Joseph's Seminary, New York, and an adjunct professor of theology at Catholic International University. He also serves as religion editor of The University Bookman. 

He is the author of Steadfast in Faith: Catholicism and the Challenges of Secularism and Staying With the Church: Trusting God's Plan of Salvation. He is the translator of Jerome's Tears: Letters to Friends in Mourning (Sophia Institute Press).