 Jackson has held many notable positions in the Church of Ireland, including chairmanship of the Church in Society Committee and, currently, chairmanship of the Board for Social Theology.Jackson also plays an active role in the wider Anglican Communion, especially in the areas of ecumenism and inter-faith dialogue.Jackson was elected Bishop of Clogher by the Church of Ireland House of Bishops on 21 November 2001 and consecrated at St Patrick's Anglican Cathedral, Armagh on 6 March 2002.