Garrison served as executive director of U.S. Missions from 2005-2007; as superintendent of the Arkansas District from 2001-2005; and as pastor of First Assembly of God, North Little Rock, Arkansas, from 1986-2001. Throughout his pastorate, First Assembly experienced significant growth spiritually, numerically, and financially. During 1996, he led First Assembly in a year specifically dedicated to missions where the church gave $1.4 million to World and U.S. missions. Garrison also served as an evangelist from 1968-1985. Garrison and his wife, Johanna, have one daughter, Lizette, and one grandson. He has authored the books: Hope in America’s Crisis, Building a Winning Team, Acts 2 Church, and The 360° Disciple. Johanna Garrison authored the book, Tangled Destinies, an account of her family’s hardships through the Nazi holocaust and an Indonesian revolution and their subsequent immigration to the United States.