Fr. Vivian was born in 1953. He made his first profession in 1972 and was ordained to the priesthood in 1978. Since his ordination, he has studied at the University of Edinburgh, Angelicum and the Gregorian. He has also been involved in various pastoral works at Ireland, England and Trinidad and Tobago.
He was the moderator of the Irish province’s center of institutional studies and also taught moral theology at the House of Studies in Tallaght (1992-1996). He was the Master of Students of the English Province and taught moral and pastoral theology at their House of Studies (Blackfriars) at Oxford (2004-2011). At the University of Oxford, he was the director of Aquinas Institute which promotes the study of Aquinas.
In 2011, he was appointed the Socius for North West Europe and Canada and the Socius for Initial Formation. In November 2012, he was also appointed Vicar of the Master of the Order.
He is currently assigned to the Convent of Santa Sabina, Rome.