About Mario Oliveri
Born 1944. Mario Oliveri is an Italian catholic priest and catholic bishop.
Mario Oliveri (born 22 January 1944) is an Italian prelate of the Catholic Church who was the bishop of Albenga–Imperia from 1990 to 2016, then becoming bishop emeritus of the diocese.
Biography Mario Oliveri was born on 22 January 1944 within the Diocese of Acqui in Campo Ligure, a comune in the Province of Genoa and region of Liguria in Italy. He was born the youngest of four children to a farming family.
Priestly ministry Oliveri studied in seminaries in Acqui and in Turin.
On 29 June 1968, he was ordained a priest in the Acqui Cathedral by Bishop Giuseppe Dell'Omo.
He later studied in Rome, where he defended his doctoral thesis in canon law from the Pontifical Lateran University, which was published by Marietti Editore and later by the Vatican Publishing House. From 1970 to 1972, he took courses at the Pontifical Ecclesiastical Academy.
On 1 July 1972, Oliveri entered the diplomatic service of the Holy See, first as secretary of the apostolic nunciature in Dakar, Senegal, and later at the Secretariat of State in Rome as secretary to Cardinal Giovanni Benelli. From 1978 to 1985, he served in the apostolic nunciature in London and Paris before being recalled to the apostolic nunciature in Rome.
In 1978, he received the title of Honorary Prelate of His Holiness.
Episcopal ministry On 6 October 1990, Oliveri was appointed the Bishop of Albenga-Imperia by Pope John Paul II; he succeeded Alessandro Piazza, who resigned due to his age. He was consecrated a bishop on 4 November of that year in a parish church of Campo Ligure by principal consecrator Giovanni Cardinal Canestri and co-consecrators Archbishop Luigi Poggi and Bishop Giuseppe Dell'Omo. He took the Latin motto "Fides et Pax," which translates to "Faith and Peace." On 25 November, he was installed in his diocese.
Oliveri has also served as a member of the Congregation for Divine Worship and the Discipline of the Sacraments and the international council for the catechesis for the Congregation for the Clergy.
After a long series of scandals involving several priests of his diocese, Pope Francis instructed Apostolic Nuncio to Italy Adriano Bernardini to open an investigation of the state of the diocese. Following the investigation, the Pope decided to appoint Guglielmo Borghetti as coadjutor bishop of the diocese in January 2015, vesting him with full authority.
The Holy See objected to lack of discernment in the ordination of priests and the willingness to accommodate expelled seminarians from other dioceses previously involved in scandals or considered unfit for the priesthood. Many of the priests came under media attention, including during their time in the Diocese of Albenga, for sexual scandals (such as possession of pornographic material), for a lifestyle considered improper for a priest (such as the publication of nude photographs on social media), and being the subject of judicial investigation for pedophilia, embezzlement, homicide, and property crimes.
With full episcopal and administrative authority resting in the new coadjutor as of 25 March 2015, Oliveri retained the title of Bishop of Albenga-Imperia without any power. On 1 September 2016, Pope Francis accepted his resignation from pastoral governance of the diocese. Effective upon resignation, Oliveri took the title of Bishop Emeritus of Albenga-Imperia.
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Important facts
People in Mario Oliveri's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Mario Oliveri's
Frequently asked questions
Who is Mario Oliveri?
Italian Catholic bishop
When was Mario Oliveri born?
Mario Oliveri was born on 22 January 1944 in Campo Ligure.
What is Mario Oliveri's occupation?
Mario Oliveri is a catholic priest and catholic bishop.
What nationality is Mario Oliveri?
Mario Oliveri is Italian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Mario Oliveri. https://biography.guide/mario-oliveri/
MLA: "Mario Oliveri." Biography.guide, https://biography.guide/mario-oliveri/.
Chicago: "Mario Oliveri." Biography.guide. https://biography.guide/mario-oliveri/.
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