Ajith Fernando (ThM, Fuller Theological Seminary) is the teaching director of Youth for Christ in Sri Lanka after serving as the ministry's national director for thirty-five years. He and his wife, Nelun, are active in a church ministering primarily to the urban poor, and his ministry includes counseling and mentoring younger staff and pastors. He is the author of twenty-one books published in twenty-four languages. Ajith lives in Colombo, Sri Lanka, with his wife, and they have two adult children and four grandchildren.

Thomas R. Schreiner (PhD, Fuller Theological Seminary) is the James Buchanan Harrison Professor of New Testament Interpretation and associate dean of the School of Theology at the Southern Baptist Theological Seminary.