Mark Buchanan — The Healing Gift of Nature

Mark Buchanan is a pastor, author, and associate professor of Pastoral Theology at Ambrose University. His books include "God Walk: Moving at the Speed of Your Soul." He regularly contributes to the Leadership Journal and Christianity Today.

Nathan Foster is an author and host of Life With God, a Renovaré Podcast. Formerly, he was an Associate Professor of social work and served as the Andrews Chair in Spiritual Formation at Spring Arbor University. He was also a licensed clinical social worker and certified addictions counselor. Nathan has published two books, including The Making of an Ordinary Saint: My Journey from Frustration to Joy with the Spiritual Disciplines.