Kathleen B NielsonKathleen B. Nielson (PhD, Vanderbilt University) serves as the director of women's initiatives at the Gospel Coalition. She a popular conference speaker and the author or editor of numerous books, including Ruth and Esther: A 12-Week Study /i>(forthcoming), and co-editor (with D. A. Carson) of Here Is Our God. Kathleen and her husband, Niel, have three grown sons, two beautiful daughters-in-law, and a growing number of grandchildren. D. A. Carson (PhD, Cambridge University) is research professor of New Testament at Trinity Evangelical Divinity School, where he has taught since 1978. He is president of The Gospel Coalition, and has written or edited nearly 60 books including Scandalous, Memoirs of an Ordinary Pastor, and The Difficult Doctrine of the Love of God. He and his wife, Joy, have two children and live in the north suburbs of Chicago. Nancy Leigh DeMoss is the host and teacher for Revive Our Hearts, a daily radio program for women heard on 250 stations. Since 1979, she has served on the staff of Life Action Ministries in Niles, Michigan. She is the author of A Place of Quiet Rest, Lies Women Believe and the Truth That Sets Them Free, and A Thirty-Day Walk with God in the Psalms. She has shared her burden for personal and corporate revival throughout North America and abroad. Timothy Keller is founder and pastor of Redeemer Presbyterian Church in New York. He is the best-selling author of The Prodigal God and The Reason for God. John Piper (DTheol, University of Munich) is founder and teacher of desiringGod.org and chancellor of Bethlehem College and Seminary. He served for 33 years as senior pastor at Bethlehem Baptist Church in Minneapolis and is author of more than 50 books, including Desiring God, Don't Waste Your Life, God Is the Gospel, and Seeing and Savoring Jesus Christ. Read More Read Less