Timothy Z. Witmer, MDiv, DMin is Professor of Practical Theology at Westminster Theological Seminary where he serves as Coordinator of the Practical Theology Department and Director of Mentored Ministry and Master of Divinity Programs. He has also served for thirty-five years in pastoral ministry, currently as the pastor of St. Stephen Reformed Church. Tim is the author of Mindscape: What to Think about Instead of Worrying
, The Shepherd Leader
, and The Shepherd Leader at Home
. He and his wife, Barbara, have three children, four grandchildren, and reside in Lancaster County, Pennsylvania.