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Seminary Faculty

Every theological seminary speaks highly of its faculty. It’s just a given. But most Grace Theological graduates can point to a specific mentoring relationship that changed their lives and the course of their ministries forever.

Our faculty are invested in their students—way beyond a paycheck. It might be a professor that meets his students for coffee, and the conversation about theology turns into a discipleship moment. Or it might be another professor having a deep, authentic conversation with a student and then pauses to pray.

The point is, our faculty are not teaching to draw attention to their pedigree. Our faculty are teaching because they love Jesus. They desperately want students to embrace the opportunity to glorify him with their whole life—to own their faith and filter their growing expertise with the inerrant truth of the Word of God.

Freddy Cardoza

Dr. Freddy Cardoza Dean Seminary

Freddy Cardoza, is the Dean of Grace Theological Seminary and the School of Ministry Studies at Grace College. Freddy oversees the faithful execution of the mission and vision for the School of Ministry Studies.  He is committed to advancing the Kingdom of God by expanding the size, reach, and impact of the school, faculty, staff, and the dynamic programs they offer. Freddy also serves as Professor of Christian Ministry and Leadership. In this capacity, he equips Christian leaders for ministry impact, and trains disciples to wield the Word of God and the power of God, for the glory of God.  

Ph. D. 2005 Leadership, The Southern Baptist Theological Seminary, Louisville, KY
M.A. 1994 Christian Education, Southeastern Baptist Theological Seminary, Wake Forest, NC
B.A. 1991 Church Ministries, Liberty University, Lynchburg, VA
Additional Post-Doctoral Studies: The Southern Baptist Theological Seminary

Contact Dr. Cardoza at

Tiberius Rata

Photo of Tiberius Rata

Tiberius Rata, associate dean of the School of Ministry Studies and professor of Old Testament Studies, focuses on instilling in students a love for God and His inerrant Word, remembering the words of Ezra 7:10: “For Ezra had set his heart to study the Law of the LORD, and to do it and to teach his statutes and rules in Israel.” Rata wants his ministry students to become pastors who can preach and teach God’s word passionately and accurately, with a strong foundation on the principles of Scripture so they can be pillars in their churches, leaders in their workplaces, and model citizens in their communities.

Ph.D. 2003 Old Testament, Trinity Evangelical Divinity School, Deerfield, Illinois
M.Div. 1997 Golden Gate Baptist Theological Seminary, Mill Valley, California
B.S. 1994 Urban and Regional Planning, California State Polytechnic University, Pomona, California

Contact Dr. Rata at

Matthew S. Harmon

Photo of Matthew S. Harmon

Matthew S. Harmon, professor of New Testament studies, loves to help people understand the beauty of Jesus Christ as revealed in the Scriptures, seeing it as the key to life transformation (2 Corinthians 3:18). As a result, the focus of his ministry is teaching and preaching God’s word in various contexts. He has a passion for research and writing, specializing in the use of the Old Testament in the New Testament, biblical theology, commentary writing and the Pauline epistles. He is an active member of Christ’s Covenant Church, where he leads a small group, teaches Sunday School, and serves on the preaching team.

Ph.D. 2006 Biblical Theology, Wheaton College, Wheaton, Illinois
M.Div 2003 Trinity Evangelical Divinity School, Deerfield, Illinois
B.S. 1995 Communication, Ohio University, Athens, Ohio

Contact Dr. Harmon at

Rock LaGioia

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Rock LaGioia, Professor of Pastoral Studies, is passionate about building up the body of Christ by training the next generation of effective church leaders. Rock has many years of pastoral experience and enjoys preaching and teaching sound doctrine regularly at worship services, conferences, and seminars.



D.Min. 2007 Preaching, Trinity Evangelical Divinity School, Deerfield, Illinois
Th.M. 1992 Practical Theology, Trinity Evangelical Divinity School, Deerfield, Illinois
M.Div. 1991 Trinity Evangelical Divinity School, Deerfield, Illinois
B.A. 1989 Pastoral Studies (Greek Emphasis), Moody Bible Institute, Chicago, Illinois

Contact Dr. LaGioia at

Christy Hill

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Christy Hill, professor of Spiritual Formation and Women’s Ministries, has a passion for facilitating the holistic development of men and women into mature disciples of Jesus Christ, who are transformed by the experience of God’s love and truth. Saddened by the discrepancy between accurate theology and a living faith, she seeks to help her learners acknowledge that their operant belief system (behaviors, values, attitudes, motives) reveals their true beliefs. She then seeks to aid spiritual formation by resolving the gap between one’s professed belief system (correct theology) and actual beliefs.

Ph. D. 2003 Educational Studies, Talbot School of Theology, La Mirada, California
M.A. 1996 Christian Education, Talbot School of Theology, La Mirada, California
B.A. 1992 Christian Education, Wheaton College, Wheaton, IL

Contact Dr. Christine Hill at

Thomas M. Stallter

Photo of Thomas M. Stallter

Thomas M. Stallter is professor of Intercultural Studies and executive director of the GTS Center for Korean Studies. Stallter has a heart for the world and for preparing others to reach out to those of other cultural worldviews. Whether teaching cultural anthropology or world religions or even methods of social research, his real intention is to prepare students for the impact of culture on relationships and ministry. “Relating to real people in a multicultural world with a relevant message that touches both felt needs and spiritual needs is our part in the mission of God.” After 18 years of service in Africa, he has now served 18 plus years at Grace College & Seminary preparing others to take his place. “Penetrating worldviews with God’s love and grace is our purpose. His love for the world is our calling. His Spirit is our strength. His amazing grace in our lives is our motivation.”’

Post-Doctoral Studies 2006 Cultural Anthropology, Trinity Evangelical Divinity School, Deerfield, Illinois
D.Miss. 1993 Western Seminary, Portland, Oregon
Th. M. 1979 Dallas Theological Seminary, Dallas, Texas
B.A. 1974 Grace College, Winona Lake, Indiana

Contact Dr. Stallter at