Forster was born in
Belfast, Northern Ireland in 1971. He was educated at Downey House Preparatory and the
Methodist College, a
grammar school in Belfast. He studied at
Queen's University Belfast, graduating with a
Bachelor of Arts (BA) degree in 1993. He trained for ordination at the
Church of Ireland Theological College and studied at
Trinity College Dublin, graduating with a
Bachelor of Theology (BTh) degree in 1996. He later continued his studies and graduated from Trinity College Dublin with a
Master of Philosophy (MPhil) degree in 2005. ==Ordained ministry==