Aaron O'Kelley grew up in northeast Texas and attended East Texas Baptist University. While there, he married his wife, Joni, in 2001. He graduated with a Bachelor of Arts in Religion in 2002 and then moved to Louisville, Kentucky, where he earned a Master of Divinity degree in 2006 and a Doctor of Philosophy in Systematic Theology in 2010. He served as pastor of Corn Creek Baptist Church in Milton, Kentucky, from 2003-2009 before moving to Jackson. He became an elder at Cornerstone in 2012.