Pope appoints Archbishop Gabriele Caccia as new Vatican ambassador to Washington
VATICAN CITY: Pope Leo XIV appointed veteran diplomat Archbishop Gabriele Caccia as the new apostolic nuncio to the United States on Saturday, March 7, entrusting the Italian prelate with managing one of the Holy See’s most consequential diplomatic relationships.
The 68-year-old archbishop, currently serving as the Holy See’s permanent observer to the United Nations, will succeed Cardinal Christophe Pierre, who is retiring after reaching the Vatican’s age limit for the post.
Caccia’s appointment comes amid friction between the Vatican and Washington over issues including immigration policy and ongoing military developments in Iran.
The Holy Father has appointed Archbishop Gabriele Giordano Caccia, titular of Sepino, until now Holy See Permanent Observer at the United Nations in New York, as Apostolic Nuncio in the United States of America#HolySee ~ #USA pic.twitter.com/ByZfl7BN54
— Holy See Mission to the UN (@HolySeeUN) March 7, 2026
Veteran diplomat inherits complex American dossier
Pope Leo XIV has appointed Archbishop Gabriele Giordano Caccia, Titular Archbishop of Sepino, as the new Apostolic Nuncio to the United States. Archbishop Caccia, 68, has served as Permanent Observer of the Holy See to the United Nations since 2019, and succeeds Cardinal… pic.twitter.com/hof23mOcBz
— U.S. Conference of Catholic Bishops (@USCCB) March 7, 2026
Archbishop Caccia brings decades of diplomatic experience to Washington. Before his posting to the United Nations in 2019, he served as apostolic nuncio to Lebanon and the Philippines and previously worked as an assessor in the Vatican Secretariat of State.
His new role makes him the Holy See’s chief representative to both the US government and the American Catholic Church. The position also influences the selection of bishops across the United States, making it one of the Vatican’s most important diplomatic postings.
American bishops quickly responded to the appointment. Archbishop Paul S. Coakley, president of the US Conference of Catholic Bishops, welcomed the decision and expressed the hierarchy’s “prayerful support” for the new nuncio.
Tension mounts over US military power
Would you imagine what a world without wars would be like? #PrayTogether pic.twitter.com/ecJQ8C7dAV
— Pope Leo XIV (@Pontifex) March 5, 2026
Caccia steps into the role as the Vatican continues to voice concern over escalating military developments in the Middle East. Pope Leo XIV has called for restraint and warned against a widening “spiral of violence” tied to the ongoing conflict involving Iran.
In recent public remarks, the pope has criticized the broader use of military force in international disputes, arguing that it risks undermining established global norms and diplomacy.
As the Vatican’s representative in Washington, Caccia will be responsible for maintaining dialogue with US officials while conveying the Holy See’s emphasis on diplomacy and conflict de-escalation.
Confronting the second Trump migration crackdown
Immigration policy remains another key area of tension between the Vatican and the Trump administration. Vatican officials have repeatedly urged governments to uphold humanitarian protections for migrants while acknowledging states’ rights to control their borders.
The debate has intensified during Trump’s second term, as US bishops and Vatican leaders continue to raise concerns about the humanitarian implications of large-scale enforcement measures.
