 Ordained a Catholic priest in 1608 he graduated with the degree of Doctor of Divinity at Salamanca.In 1611 he transferred to join the community of English monks at the Priory of St Gregory the Great in Douai (now Downside Abbey in England), where he was made its prior in 1614.Two years later he was also appointed a professor of theology at St. Vaast College of the University of Douai, a house of studies for the monks of the Abbey of St. Vaast, motherhouse of Douai Priory.