Martin was born in India of missionary parents and then brought up in Scotland where his father was a church planter. In his early 20’s Martin trained for the ministry and his first church was inner city Birmingham. After 13 years in local ministry, Martin went to work for the Bible Society in a variety of roles. In his role as Director of Mission and Theology and since then, Martin has written many books on the broad theme of mission, including Faith of the Unbeliever, Metavista, and Invading Secular Space. Since 2002 Martin has been the Principal of what is now called ForMission College.