Marc was born and raised in Childress, Texas. He attended Kirkland Church of Christ, a small rural church, where he was baptized at age 13. After graduation from Childress High School, he enrolled in Texas A&M University, where he met his wife, Jeanne. They were married in 1978. In 1980, they moved to Stephenville where Marc was a civil engineer working for the Texas Department of Transportation until he retired in 2011. They have twin daughters, Mandi and Tammi, and five grandchildren. They were one of the original families who helped found Cross Timbers in 1987.
Marc and Jeanne are avid travelers. They love RVing and Cruising. When not traveling you will find them spending time with their grandkids or cheering on the Tarleton Texans.