Dr Noel O’Sullivan is a lecturer in Systematic Theology. He is a priest of the Diocese of Cork and Ross, and has worked in second- level education, both as teacher and principal. He has been a parish priest in two different parishes in Cork city. He has spent ten years teaching systematic theology to seminarians and lay students at Maynooth, at undergraduate and post-graduate level. Sacramental theology was part of his responsibilities throughout this period.