Gary Antion is a long-time minister, having served as a pastor in both the United States and Canada. He is also a certified counselor. Before his retirement in 2015, he was an instructor at Ambassador Bible College, where he had most recently also served as Coordinator. 

Marcus has lived in Florida, Texas, Georgia, and Ohio. He married Lindsay Jennings in 2008 and they now have two children. Marcus is a pastor serving the Rome, GA; Gadsden, AL; and Chattanooga, TN congregations of the United Church of God.