What calls a person to preach the gospel or carry it to the nations? And how can the church help prepare them?

In this episode of the Unashamed Truth podcast, Grant Castleberry sits down with Ian Hamilton to discuss his conversion in Glasgow, his call to pastoral ministry, and the vital role of the local church in discerning and confirming that call. Drawing on decades as a pastor and seminary professor, Hamilton explains why theological training must shape a minister’s character as well as his mind.

The conversation then turns to world missions. Hamilton shares how missionary biographies and his work with Radius International have deepened his concern for unreached peoples. His central appeal is to see the glory of Christ: the Savior is worthy of being known, loved, and worshiped among all nations.

Whether you are considering ministry or seeking to strengthen your church’s commitment to missions, this conversation offers biblical counsel and encouragement.

In this episode of the Unashamed Truth Podcast, Grant Castleberry sits down with Andy Young, pastor of Oxford Presbyterian Church in Oxford, England, to discuss reaching and discipling a new generation of young men.

Andy shares his journey to Christ, his introduction to the doctrines of grace, and the work God is doing through a Reformed church in the heart of one of the world’s most influential university cities. He also reflects on what young people are searching for today: authenticity, substance, transcendence, community, and beauty.

Grant and Andy discuss biblical masculinity, the importance of strong preaching and sound doctrine, and why discipleship requires patient, personal investment. Rather than lowering the bar to reach young men, Andy argues that the church should offer them something deeper: the truth of Scripture, the glory of Christ, meaningful Christian community, and a vision of manhood shaped by courage, humility, conviction, and sacrifice.

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What does it mean to live a disciplined, productive, and faithful Christian life? In this episode of the Unashamed Truth Podcast, Grant Castleberry sits down with pastor, author, educator, and historian George Grant to discuss a lifetime of ministry, leadership, learning, and service to Christ.

George shares the story of his conversion, his introduction to the Reformed faith, and the influence of Christian leaders such as D. James Kennedy, Francis Schaeffer, J. I. Packer, James Montgomery Boice, and R. C. Sproul. He also reflects on nearly fifty years of ministry, writing more than eighty books, planting churches, building schools, mentoring young leaders, and cultivating the habits that make sustained faithfulness possible.

Together, Grant and George explore the theology of Christian productivity, the importance of beginning small, the value of careful planning, the discipline of reading and writing, and the necessity of trusting God with the results. This conversation is a powerful reminder that Christians are not responsible for accomplishing everything at once. We are simply called to do the next right thing with diligence, zeal, and faith.

Watch this epiosde on our YouTube Channel.