Joshua Choonmin Kang (ThM, Talbot School of Theology; MDiv, Azusa Pacific University) is founding pastor of New Life Vision Church in the Koreatown area of Los Angeles, California. He is a speaker and has written books such as Deep-Rooted in Christ and Scripture by Heart. Kang is also the author of thirty books in Korean, including God's Grace That Turns the Life Around, with over 1.5 million copies in print.
Richard J. Foster is the author of several bestselling books, including Celebration of Discipline , Streams of Living Water , Life with God , and Prayer , which was Christianity Today 's Book of the Year and the winner of the Gold Medallion Award from the Evangelical Christian Publishers Association. He is the founder of Renovar�, an organization and a movement committed to the renewal of the church of Jesus Christ in all its multifaceted expressions, and the editor of The Life with God Bible .