Ambassador Hannon is Ambassador-designate of Ireland to the Holy See. He will present his Letters of Credence to his Holiness Pope Francis in the coming weeks.
Derek Hannon graduated from University College Dublin with a Bachelor's Degree in English and History and a Master's Degree in History. After college he began his career in the Office of the Revenue Commissioners.
He joined the Department of Foreign Affairs in 1986 and has served at Ireland's missions to the Holy See (1988-1992), Budapest, London and Washington DC. He has also had short assignments at Ireland's Permanent Mission to the UN in New York and in Lisbon, Portugal.
In addition, he has served in most of the principal Divisions at Headquarters in Dublin where he has worked on a broad range of policy areas including Nuclear Disarmament and Non Proliferation, Northern Ireland affairs, the Middle East and most recently European Union matters.