|Vice-Chamberlain Emeritus of the Apostolic Chamber|
|Appointed||23 October 2004|
|Term ended||20 November 2010|
|Successor||Santos Abril y Castelló|
|Other posts||Cardinal-Deacon of Santa Maria Auxiliatrice in via Tuscolana|
29 June 1958|
by Giuseppe Dell’Omo
6 January 1997|
by Pope John Paul II
20 November 2010|
by Benedict XVI
1 September 1934|
|Coat of arms|
|Reference style||His Eminence|
|Spoken style||Your Eminence|
Sardi was born in Ricaldone, Province of Alessandria. Sardi was ordained a priest on 29 June 1958, after a licentiate in theology he graduated in canon law and jurisprudence at the Università Cattolica Milano. He taught moral theology in Turin until 1976, when he was called to the Vatican to work in the Secretariat of State. In 1992 he was appointed Vice Councillor for General Affairs and on 10 December 1996, Apostolic Nuncio with special responsibilities and Titular Archbishop of Sutrium by Pope John Paul II. Archbishop Sardi co-ordinates the Vatican office that edits the Pope's texts and addresses. On 6 January 1997, Pope John Paul consecrated him an archbishop in Saint Peter's Basilica.
On 23 October 2004 he was appointed Vice Camerlengo (chamberlain) of the Holy Roman Church. He was appointed to succeed Pio Laghi, who died in January 2009 as pro-patron of the Sovereign Military Order of Malta. Cardinal Sardi was succeeded in that post by Cardinal Raymond Leo Burke, Prefect of the Supreme Tribunal of the Apostolic Signatura, November 8, 2014.
On 20 November 2010, he was created Cardinal-Deacon of Santa Maria Ausiliatrice in Via Tuscolana. He lost voting rights in any papal conclave as he has turned 80 years old. On 30 November 2010, after becoming a cardinal, his title changed from Pro-Patron to Patron of the Order of Malta.
On 29 December 2010 he was appointed a member of the Congregation for Institutes of Consecrated Life and for Societies of Apostolic Life; the Congregation for the Causes of Saints; and the Pontifical Council for the Laity.