Jeff Cavins is the director of the Archbishop Harry J. Flynn Catechetical Institute in St. Paul, Minnesota. Over the past several years, he has dedicated his life to developing The Great Adventure, a practical, interactive Bible study system that enables students to understand the chronological flow of Sacred Scripture. Jeff holds an MA in theology from Franciscan University of Steubenville. He resides with his wife, Emily, and their three daughters in Minnesota. 

Dr. Tim Gray is the president of the Augustine Institute and professor of Sacred Scripture at St. John Vianney Seminary in Denver. He holds a PhD in biblical studies from Catholic University of America. Dr. Gray is author of several books and has partnered with Jeff Cavins in the development of The Great Adventure Bible Study Series. A nationally known speaker, Dr. Gray has filmed numerous series for EWTN. He resides in Denver with his wife, Kris, and their son, Joseph. 

Dr. Edward Sri is a nationally-known Catholic speaker and the author of several best-selling books, including The New Rosary in Scripture and The Da Vinci Deception. He is provost and professor of theology and Scripture at the Augustine Institute and serves as a visiting professor at Benedictine College. Dr. Sri holds a doctorate from the Pontifical University of St. Thomas Aquinas in Rome. He resides with his wife, Elizabeth, and their five children in Littleton, Colorado.

Sarah Christmyer is the editor of The Great Adventure Bible Study series, author or co-author of several Great Adventure studies, and author of The Bible Timeline Guided Journal. A Bible study teacher since 1999, Sarah helped launch Catholic Scripture Study (CSS) for Catholic Exchange and is co-author of two Bible studies on Genesis, published by Emmaus Road. She lives near Philadelphia with her husband, Mark, and their four children.

Thomas Smith was a Protestant minister before being received into the Catholic Church in 1996. He previously served as the director of the Denver Catholic Biblical School and the Denver Catechetical School.  A repeat guest on EWTN and Catholic radio as well as a sought after parish mission and conference speaker, he is the co-author of Adventures in Revelation: The Kingdom Yet to Come, a Great Adventure study.

Fr. Patrick Brady was ordained to the Priesthood for the Archdiocese of Philadelphia in 1993. He currently servers as the Chair of the Department of Sacred Scripture for St. Charles Borromeo Seminary in Philadelphia. He has delivered numerous lectures on Sacred Scripture, as well as offered several retreats and parish missions. Fr. Brady received his Licentiate in Theology from the Pontifical Biblical Institute and his Doctorate from The Pontifical Gregorian University in Rome.

Dr. Sean Innerst was the founding Provost of St. John Vianney Theological Seminary, where he is now chairman of the theology department. Sean teaches theology for catechetics at the Augustine Institute and is the originator of the two-year “Journey through the Catechism” program in the Archdiocese of Denver. He has contributed to four books, including the Encyclopedia of Catholic Doctrine.  He is the author of Blessing to Blessing: The Catechism of the Catholic Church as a Journey of Faith and a forthcoming study series on the Catechism called Pillars: A Journey Through the Catechism, both from Ascension Press.

Martha Fernández-Sardina is a bilingual speaker with more than twenty years of ministry experience, speaking in the United States, Canada, Italy, Portugal, Brazil, and the Dominican Republic. As director of the Office for Evangelization for the Archdiocese of San Antonio, Martha hosts a TV show, authors columns in Today’s Catholic and Evangelization Exchange, blogs at iEvangelize.wordpress.com, tweets (@iEvangelize), and can be found on YouTube, Vimeo, and Facebook.