Corey McKeithan is a graduate of Bloomfield High School, in Bloomfield, Connecticut, where he played on the varsity basketball team for three years. McKeithan later went on to play basketball for Eastern Connecticut State University in Willimantic, Connecticut, where he was a starter during his tenure. In 2010, Corey founded the Team10 AAU Basketball program, which has been one of the premier boys AAU programs in the state. He has been employed with Xfinity for 20 years and currently serves as the NE6 Program Director of the Middle School program, which was started in 2019.
McKeithan is married to Jennifer McKeithan and they have two children, Corey, Jr., 19 years old, and Kyle, 14 years old.