Marty Cosby lives in East Tennessee with his wife Sheliah.
They have one son, Tyler, who is an attorney in Nashville.
Cosby has earned two doctoral degrees, one in Theology,
and the other in Educational Leadership. After retiring from the
public school system, he became a member of the John Maxwell
Leadership Team. He also works with the Tennessee Supreme
Court System as a civil and family mediator. Cosby and his wife are
working together on a daily devotional.