School of Diplomacy and International Relations

Board of Advisors: His Grace Archbishop Nuncio Celestino Migliore

Apostolic Nuncio to Poland

His Grace Archbishop Celestino Migliore currently serves as the Apostolic Nuncio to Poland. He recently finished his term as Apostolic Nuncio and Permanent Observer of the Holy See to the United Nations, in New York. Having obtained his master's degree in theology, Archbishop Migliore pursued his studies at the Pontifical Lateran University, where he was awarded the Doctorate in Canon Law. After graduating from Pontifical Academy for Ecclesiastical Diplomacy, he joined the Holy See's diplomatic service.  He served at the Apostolic Nunciatures in Angola, Washington, D.C., Egypt, and Poland. Archbishop Migliore served as Permanent Observer of the Holy See to the Council of Europe in Strasbourg, France, and Under-Secretary of the Section for Relations with States of the Secretariat of State, at the Vatican. While in Rome, he also taught Ecclesiastical Diplomacy at the Pontifical Lateran University in Rome as a Visiting Professor.


  • Ph.D. in Canon Law, Pontifical Lateran University
  • M.A. in Theology