The current Irish ambassador to the UK, Martin Fraser has been nominated by the Government to be the next ambassador to the United Nations in New York.
Mr Fraser, a former Secretary General in the Department of the Taoiseach has represented Ireland in the UK since 2022.
News of the move came with the announcement of 14 ambassadorial nominations signed off by members of the Government at today's Cabinet meeting.
Other ambassadorial nominations are to countries in Africa, South America, Asia, Europe and the Middle East.
Replacing Mr Fraser as ambassador to the UK will be Sonja Hyland, currently Deputy Secretary General Ireland, UK and Americas Division.
Fergal Mythen who was in the UN will now become the ambassador to the United Arab Emirates.
Geraldine Byrne Nason will remain as Irish ambassador to the US.
Ireland has a network of 103 diplomatic missions across the world, 25 of which were established since 2018.
This year new embassies were established in Serbia, Bosnia and Herzegovina and Moldova and new consulates general will open in Malaga and Melbourne in 2026.
Tánaiste Simon Harris said the ambassadors will represent Ireland and support Irish citizens around the world.
"I know that those nominated as ambassadors will represent Ireland with great distinction as they work to support Irish citizens and to advance Ireland's interests and values around the world," he said.
"The Government will continue to strengthen Ireland’s global presence and influence, deepening and expanding our network, building new partnerships and amplifying our voice in the world."
The other ambassadorial nominations made are:
Ethiopia
Ciarán Madden, currently Director in Ireland, UK and Americas Division, to be Ambassador to Ethiopia
Nigeria
Lesley Ní Bhriain, currently Director in Corporate Services Division, to be Ambassador to Nigeria
Senegal
Deirdre Clancy, currently Deputy Head of Mission in the Embassy of Ireland to Morocco, to be Ambassador to Senegal
Argentina
Olive Hempenstall to be Ambassador to Argentina
Japan
Noel White, currently Permanent Representative to the United Nations in Geneva, to be Ambassador to Japan
Republic of Korea
Seán Hoy, currently Director in Corporate Services Division, to be Ambassador to the Republic of Korea
Singapore
Damien Cole, currently Ambassador to Japan, to be Ambassador to Singapore
Thailand
Nora Delaney, currently Director in Citizen Services Division, to be Ambassador to Thailand
France
Alison Milton, currently Ambassador to the United Arab Emirates, to be Ambassador to France
Holy See
Karen Lynch, currently Deputy Director in Citizen Services Division, to be Ambassador to the Holy See
Poland
Jonathan Conlon, currently Ambassador to Ukraine, to be Ambassador to Poland
United Kingdom
Sonja Hyland, Deputy Secretary General, Ireland, UK and Americas Division, to be Ambassador to the United Kingdom
United Arab Emirates
Fergal Mythen, currently Permanent Representative to the UN in New York, to be Ambassador to the United Arab Emirates
Iran
Aidan Cronin, currently Director in Ireland, UK and Americas Division, to be Ambassador to Iran
Jordan
Nicole McHugh, currently Director in Development Cooperation and Africa Division, to be Ambassador to Jordan
Saudi Arabia
Micheál Smith, currently Consul General in San Francisco, to be Ambassador to Saudi Arabia
Permanent Mission to the United Nations Geneva
Laurence Simms, currently Joint Secretary, British Irish Intergovernmental Secretariat, to be Permanent Representative to the United Nations in Geneva
Permanent Mission to the United Nations New York
Martin Fraser, currently Ambassador to the UK, to be Permanent Representative to the United Nations in New York
Consul General appointments
John Forde, currently Deputy Head of Mission at the Embassy to the United Arab Emirates, to be Consul General in Austin
Peter Neary, currently Deputy Director in Political Division, to be Consul General in Frankfurt
Paula Molloy, currently Deputy Director in Corporate Services Division, to be Consul General in Miami
Marianne Bolger, currently Ambassador to Jordan, to be Consul General in San Francisco
Gerry Kelly, currently Deputy Head of Mission at the Embassy to the Russian Federation, to be Consul General in Vancouver
