Dennis is a long time member of First Baptist Church Wentzville, having joined the church in 1997. He grew up in Vandalia, Missouri. In 1975, he accepted Jesus Christ as his Lord and Savior and was baptized at First Baptist Church Vandalia. He has been married 28 years to his wife, Lori, who also grew up in Vandalia. They have two children. Their daughter, Ashley, is married and living in Columbia, MO, and their son Austin, lives at home and attends college. Dennis is currently working for the Boeing Company as a Tool Design Engineer.