Christopher J. H. Wright (PhD, Cambridge) is international ministries director of the Langham Partnership, providing literature, scholarships, and preaching training for pastors in Majority World churches and seminaries. He has written many books including commentaries on Deuteronomy, Jeremiah, Lamentations, and Ezekiel; The Mission of God; Cultivating the Fruit of the Spirit; Old Testament Ethics for the People of God; and the three volumes of Knowing God Throughthe Old Testament. An ordained priest in the Church of England, Chris spent five years teaching the Old Testament at Union Biblical Seminary in India and thirteen years as academic dean and then principal of All Nations Christian College, an international training center for crosscultural mission in England. He was chair of the Lausanne Theology Working Group from 2005 to 2011 and the chief architect of The Cape Town Commitment from the Third Lausanne Congress, 2010.

John R. W. Stott (1921-2011) has been known worldwide as a preacher, evangelist and communicator of Scripture. For many years he served as rector of All Souls Church in London, where he carried out an effective urban pastoral ministry. A leader among evangelicals in Britain, the United States and around the world, Stott was a principal framer of the landmark Lausanne Covenant (1974). Stott's many books, including Basic Christianity and The Cross of Christ, have sold millionsof copies. In the Bible Speaks Today series, for which he served as New Testament editor, he wrote eight volumes, including The Message of Acts and The Message of Ephesians.