He was a church planter and pastor in Texas for ten years. He then served as an assistant to D. James Kennedy at the Coral Ridge Presbyterian Church and taught at Knox Theological Seminary. Following his move to Tennessee in 1991, Grant founded the King's Meadow Study Center and Franklin Classical School in Franklin.King’s Meadow Study Center web site In 2006, he helped found New College Franklin, a Christian liberal arts college. Grant has also founded several Christian schools in northern Iraq. He is "a prolific author of Christian books." He is currently involved in church planting in Middle Tennessee and serves as the pastor of Parish Presbyterian Church in Franklin, Tennessee.
