After his priestly ordination, he served in the diocese of Carcassone, and in 1825 was appointed canon of Chartres and professor of theology at its seminary.
[1][2] In 1832, he went to Singapore and played a leading role in the building of the first Catholic chapel in the settlement, the forerunner of the Cathedral of the Good Shepherd.
When Florens died on 30 March 1834, he assumed the office of Vicar Apostolic of Siam.
Later that year, he returned to Singapore where he became involved in jurisdictional differences with the Portuguese Catholics who opposed the mission.
On 18 June 1843, he blessed the foundation stone of the Church of the Good Shepherd, Singapore.