Ignatian mysticism is a theme in the writings of Brian O'Leary SJ. The Irish Jesuit author has written numerous books and articles, and for many decades has travelled internationally to teach on St Ignatius. This interview, with Pat Coyle of Irish Jesuit Communications, took place on Monday 23 October,  the birthday of the founder of the Jesuits. In it, Brian alludes to the rise in interest in mysticism and the mystics in recent times, and discusses Ignatian mysticism in this context.