Francis Martin-Xavier Campbell is a British diplomat and academic. Since January 2020, he has been the Vice-Chancellor of the University of Notre Dame Australia. From 2014 to 2020, he was the Vice-Chancellor of St Mary's University, Twickenham. From 2005 to 2011, he was the British Ambassador to the Holy See. He is an Honorary Fellow of St Edmund's College, Cambridge.

Nigel Marcus Baker is a British diplomat, who was formerly Ambassador to Bolivia and Ambassador to the Holy See. He was Head of the Latin America department at the Foreign and Commonwealth Office from 2016 to 2019, and in August 2020 took up his appointment as British Ambassador to Slovakia.