Is good friends with writer Dan Harmon. In fact, Jeff Davis was the inspiration for the character Jeff on Harmon's NBC show Community (2009).
Since July 2012, Davis has served as the comptroller/co-host of the podcast Harmontown, and is prominent in the documentary about a Harmontown (2014) road tour.
Has an older brother named Bill, a sister-in-law named Jill, and a niece named Maddox.