Pastor Dennis was born and raised in Indianapolis, Indiana. He graduated from Bethany College in West Virginia and received his Master's degree and Doctorate of ministry from Brite Divinity School, Texas Christian University in Fort Worth Texas. Pastor Dennis is married to Vivian and they were married 45 years in May 2019. Their son Andy, his wife Meghan with daughters Annabelle, Molly, and Victoria live in Southern California. Their daughter Jennifer, with her husband Phil, live in Sioux Falls. Pastor Dennis has celebrated 45 years of preaching the gospel of Jesus Christ. His call to ministry at age 14 is as clear and strong today as ever. The Lakes' came to First Christian Church in April of 2008.