Karl is the author of four books and has been in pastoral ministry for almost 40 years. He is the teaching pastor of Cornerstone Christian Fellowship, a healthy small church in Orange County, California, where he has ministered for over 27 years with his wife, Shelley. Karl’s heart is to help pastors of small churches find the resources to lead well and to capitalize on the unique advantages that come with pastoring a small church. Karl produces resources for Helping Small Churches Thrive at KarlVaters.com, and has created S.P.A.R.K. Online (Small-Church Pastors Adapt & Recover Kit), which is updated regularly with new resources to help small churches deal with issues related to the COVID-19 crisis and aftermath.