[3] In 1979, he entered the Foyer-Séminaire in Montigny-lès-Metz and attended George de la Tour High School in Metz.

He then served in his civil service in Madagascar from 1984 to 1986, where he held positions as a French teacher, librarian, and cultural officer.

In 1986, Berardi entered the novitiate of the Trinitarian Order in Cerfoid, France, and made his first religious profession in 1987.

He then studied Theology at the Major Seminary of Montreal from 1987 to 1990, and made his perpetual profession in Rome, Italy, in December 1990.

He was ordained on 18 March 2023 at Our Lady of Arabia Cathedral, Bahrain by Cardinal Miguel Angel Ayuso Guixot, Prefect of the Dicastery for Interreligious Dialogue.