John Piper is founder and teacher of desiringGod.org and chancellor of Bethlehem College & Seminary. For 33 years, he served as pastor of Bethlehem Baptist Church, Minneapolis, Minnesota. He is author of more than 50 books, including Desiring God: Meditations of a Christian Hedonist and most recently Come, Lord Jesus.

Sinclair Ferguson is a Ligonier teaching fellow and Chancellor’s Professor of Systematic Theology, Reformed Theological Seminary.

Michael Horton Michael Horton is the J. Gresham Machen Professor of Systematic Theology and Apologetics. He also hosts the White Horse Inn and editor-in-chief of Modern Reformation magazine. He has written many books, including The Christian Faith: A Systematic Theology for Pilgrims on the Way and Pilgrim Theology: Core Doctrines for Christian Disciples.