He served in the Apostolic Nunciatures in Papua New Guinea (1999–2002), Uganda (2002–05), and Cuba (2005–06), and then in Rome in the offices of the Secretariat of State.

[1] On 22 February 2013, a few days before the resignation of Pope Benedict XVI from the papacy, he was appointed to replace Ettore Balestrero as Under-Secretary for Relations with States.

[3] In that position, roughly equivalent to that of a deputy foreign minister, he played a role in negotiations with many nations, including Israel,[4][5] Palestine,[6] China,[7][8] and Vietnam.

The time-tested truth that migration is largely regular, the sign of a healthy economy and the bedrock of many modern nation-states rarely make the news.

Yet, when we take a closer look at our own personal history or that of the communities and countries where we live together, one easily recognizes the obvious: migration, especially when it is well-managed, safe, orderly and regular, makes an undeniably positive and necessary contribution to the development of culture, the economy, and society.On 3 September 2019, Pope Francis named him titular archbishop of Skálholt and gave him the title of apostolic nuncio.