John Eifion Morgan-Wynne was born in Old Colwyn, North Wales, He gained degrees in history and theology at Oxford, and was ordained to the Baptist Ministry in 1962. He was awarded an Oxford BD (thesis on the atonement in John's Gospel and his First Epistle) in 1966. He was tutor at Regent's Park College, Oxford, 1965 to 1987, Principal of Bristol Baptist College, 1987 to 1993, and minister at Ilkley Baptist Church, 1994 to 2002.
