John and Carla have been actively involved in ministry and Christian education since 1986. Currently they reside for half of the year near Austin, Texas, and the other half of the year in Denver, Colorado. They are involved in a ministry called Bible Passages, which involves training preachers, equipping the saints, defending the faith, and guiding souls to Jesus.  Carla is a frequent lecturer on women’s programs, and teaches in the women's program at Bear Valley Bible Institute. She is a regular contributor to Christian Woman magazine, writing a column focusing on Bible locations. 

John is an instructor at the Bear Valley Bible Institute, teaching courses including Bible Geography and Archaeology and Church History. Having studied at Jerusalem University and traveled widely in Israel and Jordan, John offers a unique perspective on the relationship between the land of Israel and the biblical text. Having authored and narrated the book and DVD Searching For Truth, John has set his sights on a new evangelistic and edifying project. He, along with Carla, World Video Bible School, several qualified instructors, film editors and photographers, are producing the Bible Land Passage Video Series, which will also include a rich resource of photographs and biblical information.  John, Carla, and their youngest son Micah recently returned from Israel, where John directed the Bible Lands Project in preparation for the Bible Lands Passages video series and resource ministry.  John and Carla’s family include their sons Jordan, his wife Erin, and their son Jackson,  Jacob and his wife Alyssa, and Micah.