James Bryan Smith (MDiv, Yale University Divinity School, DMin, Fuller Seminary) is a theology professor at Friends University in Wichita, Kansas, and a writer and speaker in the area of Christian spiritual formation. He also serves as the director of the Apprentice Institute for Christian Spiritual Formation at Friends University. A founding member of Richard J. Foster's spiritual renewal ministry, Renovaré, Smith is an ordained United Methodist Church minister and has served in various capacities in local churches. Smith is also the editor of A Spiritual Formation Workbook, Devotional Classics (with Richard Foster), Embracing the Love of God, Rich Mullins: An Arrow Pointing to Heaven and Room of Marvels. Casey Tygrett (DMin, Lincoln Christian Seminary) is a pastor, blogger, adjunct seminary professor, and spiritual director who serves as the teaching pastor at Heartland Community Church in Rockford, Illinois. He was previously pastor of spiritual formation at Parkview Christian Church in Orland Park, Illinois, and has taught at Lincoln Christian University and Seminary and Emmanuel Christian Seminary. He is the author of The Jesus Rhythm, and has written for The Christian Standard, TheOoze.com, and the Apprentice Institute blog.