Scott Hahn, Ph.D., is an internationally renowned speaker, author, and scholar. He teaches Theology and Scripture at the Franciscan University of Steubenville and has published several best-selling books, including Rome Sweet Home, The Lamb's Supper, and the Catholic Bible Dictionary. He is also the founder and President of the St. Paul Center for Biblical Theology, which promotes biblical literacy among Catholic laity and biblical fluency among Catholic clergy. Hahn is the General Editor of the Ignatius Catholic Study Bible series.

Curtis Mitch, M.A., is principal annotator and Associate Editor of the Ignatius Catholic Study Bible series. He is also a research fellow of the St. Paul Center for Biblical Theology and a biblical commentator.

Dennis Walters, Ph.D., is a deacon in the Catholic Church. His doctorate is in Literature from Michigan State University, and he holds a master's in Pastoral Studies from Sacred Heart Major Seminary in Detroit. He is the author of the study questions for the Ignatius Catholic Study Bible series.

Matthew and Leeanne Thomas hold masters degrees (Old Testament and Biblical Languages, respectively) from Regent College. Matthew completed a D.Phil in Theology at the University of Oxford in 2016, and currently serves as Assistant Professor of Biblical Studies and Theology Department Chair at the Dominican School of Philosophy and Theology in Berkeley. Leeanne and Matthew live in California with their four children, Camille, Raphael, Michael and Agnes.