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At a time of conflict, Pope Leo sends a bridge-builder to the United States #Catholic Archbishop Gabriele Caccia, the recently appointed apostolic nuncio to the United States, takes up his new role at a time of heightened tension between the Vatican and the White House over issues including immigration to the U.S. and war in the Middle East.Former collaborators say Caccia’s personal qualities and wide diplomatic experience — including in Lebanon and the Philippines — make him well suited for this crucial assignment.The 68-year-old diplomat recently served as the permanent observer of the Holy See Mission to the United Nations in New York after Pope Francis appointed him there in 2019. His new job is important as a liaison between the Vatican and the U.S., where recent federal policies have faced growing resistance from Church leaders.Pope Leo’s new man on a high-stakes missionA veteran diplomat, Caccia will serve as Pope Leo XIV’s chief representative to the Trump administration. Like his predecessor, Cardinal Christophe Pierre, he assumes office amid ongoing tension between the administration and the Church, especially on immigration enforcement and foreign policy.In a public statement in November 2025, U.S. bishops strongly opposed the administration’s treatment of migrants during mass deportations. Pope Leo expressed support for the statement and denounced the treatment of migrants as “extremely disrespectful, and with instances of violence.”The U.S. bishops have also voiced concern over recent foreign policy moves, including interventions in the Middle East. In January of this year, three U.S. cardinals — Blase Cupich, Joseph Tobin, and Robert McElroy — jointly condemned the administration’s foreign policy in a public statement. In recent addresses, Pope Leo has also called for a ceasefire in the Middle East, deploring on March 15 a “widespread climate of hatred and fear.”Monsignor Roger Landry, who served at the Holy See Mission from 2015 to 2022 and now heads the Pontifical Mission Societies, expressed confidence in the nuncio’s ability to communicate the Holy See’s concerns effectively to the U.S. government while supporting the bishops.“He will represent Pope Leo very well to the U.S. government and the U.S. Church, be a great listener and effective relayer of what’s happening in the United States to Pope Leo, and be a steady source of counsel and support to U.S. bishops,” he told EWTN News.Dálida Morales, who interned at the mission and now works at the Ministry of Industry and Commerce in the Dominican Republic, conveyed hope for the archbishop’s potential to build international dialogue.“He is genuinely a bridge-builder for peace. At a time when dialogue, moral clarity, and principled leadership are urgently needed in the United States, his appointment there is both timely and hopeful,” she said.A diplomat forged in complex geopoliticsHaving worked in the diplomatic service of the Holy See since 1991, Caccia previously served in challenging posts before his appointment to the U.N. He served as apostolic nuncio to Lebanon and the Philippines, two countries with sensitive political climates.His service in Lebanon occurred during the outbreak of the Syrian Civil War in 2011. There, he helped coordinate the Church’s humanitarian response to support over 1.5 million Syrian refugees in Lebanon. His service also included helping maintain peace in a country constitutionally divided among Maronite Christians, Muslims, and Druze.He served in the Philippines at the height of President Rodrigo Duterte’s highly aggressive and controversial anti-narcotics campaign, which resulted in thousands of extrajudicial killings. As the nuncio, he helped to support the bishops, who were vocal critics against the government, while maintaining the country’s diplomatic relations with the Holy See.During his time at the U.N., he promoted the Vatican’s diplomatic stance. Father Mark Knestout, who served with Caccia as a former attaché for the Holy See Mission, noted the importance of his diplomatic experience in his new role.“He was in Lebanon for eight years, which is a complex situation because you have multiple denominations of Catholics there, alongside the situation with Muslims,” he told EWTN News. “So I see him being personable and striving to get to know everyone in the United States as best he can.”An inclusive leader and sports loverFormer staff of Caccia also shared with EWTN News some personal anecdotes from their time serving with him in New York. Vitória Volpato, a former intern at the mission who serves at the Prefecture of São Paulo in Brazil, noted with gratitude the archbishop’s insights on leadership.“He said something that stayed with me: ‘I do not choose the people I work with, but I work with the people I have.’ That made me reflect on what a good leader must be, something the archbishop clearly is,” she said.Ashley Campbell, who interned at the mission and now works at the Religious Freedom Institute, reflected on his love of sports. “I remember once walking with him back to the Holy See Mission building from the U.N., and we talked about how we both grew up playing sports and how amazing it would be if Vatican City could send athletes to the Olympics.”Fidelity to the Holy FatherOne trait consistently praised by those who have worked with the archbishop is his fidelity to the Holy Father. Knestout described the archbishop as a “true Churchman who wants to represent the desires and the intentions of the Holy Father.”Morales added: “Every Wednesday, he would ask us about the Holy Father’s general audience. In this way, he reminded us that one of the most meaningful ways to remain united to the Church is by listening to the voice of the pope. It is a habit I continue to keep today thanks to him.”

At a time of conflict, Pope Leo sends a bridge-builder to the United States #Catholic Archbishop Gabriele Caccia, the recently appointed apostolic nuncio to the United States, takes up his new role at a time of heightened tension between the Vatican and the White House over issues including immigration to the U.S. and war in the Middle East.Former collaborators say Caccia’s personal qualities and wide diplomatic experience — including in Lebanon and the Philippines — make him well suited for this crucial assignment.The 68-year-old diplomat recently served as the permanent observer of the Holy See Mission to the United Nations in New York after Pope Francis appointed him there in 2019. His new job is important as a liaison between the Vatican and the U.S., where recent federal policies have faced growing resistance from Church leaders.Pope Leo’s new man on a high-stakes missionA veteran diplomat, Caccia will serve as Pope Leo XIV’s chief representative to the Trump administration. Like his predecessor, Cardinal Christophe Pierre, he assumes office amid ongoing tension between the administration and the Church, especially on immigration enforcement and foreign policy.In a public statement in November 2025, U.S. bishops strongly opposed the administration’s treatment of migrants during mass deportations. Pope Leo expressed support for the statement and denounced the treatment of migrants as “extremely disrespectful, and with instances of violence.”The U.S. bishops have also voiced concern over recent foreign policy moves, including interventions in the Middle East. In January of this year, three U.S. cardinals — Blase Cupich, Joseph Tobin, and Robert McElroy — jointly condemned the administration’s foreign policy in a public statement. In recent addresses, Pope Leo has also called for a ceasefire in the Middle East, deploring on March 15 a “widespread climate of hatred and fear.”Monsignor Roger Landry, who served at the Holy See Mission from 2015 to 2022 and now heads the Pontifical Mission Societies, expressed confidence in the nuncio’s ability to communicate the Holy See’s concerns effectively to the U.S. government while supporting the bishops.“He will represent Pope Leo very well to the U.S. government and the U.S. Church, be a great listener and effective relayer of what’s happening in the United States to Pope Leo, and be a steady source of counsel and support to U.S. bishops,” he told EWTN News.Dálida Morales, who interned at the mission and now works at the Ministry of Industry and Commerce in the Dominican Republic, conveyed hope for the archbishop’s potential to build international dialogue.“He is genuinely a bridge-builder for peace. At a time when dialogue, moral clarity, and principled leadership are urgently needed in the United States, his appointment there is both timely and hopeful,” she said.A diplomat forged in complex geopoliticsHaving worked in the diplomatic service of the Holy See since 1991, Caccia previously served in challenging posts before his appointment to the U.N. He served as apostolic nuncio to Lebanon and the Philippines, two countries with sensitive political climates.His service in Lebanon occurred during the outbreak of the Syrian Civil War in 2011. There, he helped coordinate the Church’s humanitarian response to support over 1.5 million Syrian refugees in Lebanon. His service also included helping maintain peace in a country constitutionally divided among Maronite Christians, Muslims, and Druze.He served in the Philippines at the height of President Rodrigo Duterte’s highly aggressive and controversial anti-narcotics campaign, which resulted in thousands of extrajudicial killings. As the nuncio, he helped to support the bishops, who were vocal critics against the government, while maintaining the country’s diplomatic relations with the Holy See.During his time at the U.N., he promoted the Vatican’s diplomatic stance. Father Mark Knestout, who served with Caccia as a former attaché for the Holy See Mission, noted the importance of his diplomatic experience in his new role.“He was in Lebanon for eight years, which is a complex situation because you have multiple denominations of Catholics there, alongside the situation with Muslims,” he told EWTN News. “So I see him being personable and striving to get to know everyone in the United States as best he can.”An inclusive leader and sports loverFormer staff of Caccia also shared with EWTN News some personal anecdotes from their time serving with him in New York. Vitória Volpato, a former intern at the mission who serves at the Prefecture of São Paulo in Brazil, noted with gratitude the archbishop’s insights on leadership.“He said something that stayed with me: ‘I do not choose the people I work with, but I work with the people I have.’ That made me reflect on what a good leader must be, something the archbishop clearly is,” she said.Ashley Campbell, who interned at the mission and now works at the Religious Freedom Institute, reflected on his love of sports. “I remember once walking with him back to the Holy See Mission building from the U.N., and we talked about how we both grew up playing sports and how amazing it would be if Vatican City could send athletes to the Olympics.”Fidelity to the Holy FatherOne trait consistently praised by those who have worked with the archbishop is his fidelity to the Holy Father. Knestout described the archbishop as a “true Churchman who wants to represent the desires and the intentions of the Holy Father.”Morales added: “Every Wednesday, he would ask us about the Holy Father’s general audience. In this way, he reminded us that one of the most meaningful ways to remain united to the Church is by listening to the voice of the pope. It is a habit I continue to keep today thanks to him.”

unitedyam March 17, 2026

Archbishop Gabriele Caccia, the new papal envoy to Washington, has been shaped by a diplomatic career in geopolitical hot spots.