FEATURED COMMENTARY & ANALYSIS

Lessons in leadership: Theresa May and Brexit

New Atlanticist
May 27, 2025

British ambassador to the US: The UK must ‘become less dependent on America, while remaining inseparably linked’

By
Peter Mandelson

In speaking at the Atlantic Council’s 2025 Christopher J. Makins Lecture, Peter Mandelson outlined how the United Kingdom and the rest of Europe can foster peace through military, economic, and technological strength.

Conflict
Defense Industry

Lessons in leadership: Theresa May and Brexit

New Atlanticist
May 15, 2025

Can the EU-UK summit lead to a new post-Brexit partnership?

By
Ed Owen

With shared challenges at home and abroad, the United Kingdom and European Union have an opportunity to renew their trade and security ties.

Defense Industry
Economy & Business

Lessons in leadership: Theresa May and Brexit

New Atlanticist
Jan 27, 2025

The case for a US-UK trade and investment agreement

By
L. Daniel Mullaney

As US President Donald Trump begins his second term, the United Kingdom is the right partner for the United States, and now is the right time for a deal.

Economy & Business
Politics & Diplomacy

Featured Event

Public Event
Tue, May 27, 2025 • 9:00 am ET

The Rt Hon Lord Mandelson on Britain in an enduring transatlantic relationship

British Ambassador to the United States The Rt Hon Lord Mandelson speaks at the 2025 Christopher J. Makins lecture to discuss the significance of the transatlantic relationship during this unprecedented geopolitical period.

Economy & Business
Europe & Eurasia
Politics & Diplomacy
Security & Defense


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Content

New Atlanticist

Jan 16, 2019

Lessons in leadership: Theresa May and Brexit

By Nicholas Dungan

From the beginning, May and most others in Britain—not only in politics but even, perhaps especially, in the media—completely misjudged the nature of the withdrawal process with the EU.

European Union United Kingdom

Bremain vs Brexit

Jan 16, 2019

Compromising Brexit: The challenge for May – and Corbyn

By John M. Roberts

So far, the focus has been on the idea that somehow, with just seventy two days left to go before Britain is scheduled to leave the EU, Corbyn and May might find a positive way to cooperate for the good of the country.

European Union United Kingdom

New Atlanticist

Jan 15, 2019

May’s Brexit deal stumbles in Parliament. Now she is fighting to save her government.

By David A. Wemer

At the end of her remarks on January 15, May promised that her government will not simply “run down the clock” toward the Brexit deadline.

European Union United Kingdom

New Atlanticist

Jan 14, 2019

The Brexit uncertainty that worries Ireland

By John M. Roberts

The Good Friday Agreement, which had to be approved by referenda on both sides of the border, ensured agreement in Dublin as well as Belfast that Northern Ireland would remain a part of the UK so long as its population voted to remain with Britain.

European Union United Kingdom

New Atlanticist

Jan 10, 2019

May’s Brexit deal faces another test. What if it fails?

By David A. Wemer

It remains unclear whether May’s government allies have been able to convince enough MPs to support the deal.

European Union Eurozone

Blogs

Dec 21, 2018

Economic Outlook for 2019

By Global Business & Economics Program

December 2018 is set to become the worst year-end finish for US markets since 1931. A yield curve inversion combined with the fourth annual rate hike by the US Federal Reserve (Fed) and growing geo-political uncertainty, triggered widespread angst among US investors about an economic slowdown and the increasing probability of a recession. This edition of the EconoGraphic assesses key economic indicators to make a case that while a slowing of the US economy seems certain, a recession in the next two years remains unlikely.

China Economy & Business

New Atlanticist

Dec 21, 2018

Brexit will be detrimental for US ties with the UK and the EU

By Stuart E. Eizenstat

Brexit will be a blow to US-UK economic relations, to US companies doing business in the UK, and to the economy of the UK, the United States’ closest ally.

European Union Macroeconomics

New Atlanticist

Dec 18, 2018

Here’s what Brexit would mean for the transatlantic relationship

By Peter Ricketts

The goal of Atlanticists on both sides of the pond should be to keep alive the conviction of the founding fathers of NATO that it is profoundly in the national security interests of Britain and the United States to promote a strong multilateral alliance attuned to the security threats of today and tomorrow.

European Union International Organizations

In the News

Dec 17, 2018

Ben Nimmo Quoted in Politico Europe on Britain Grappling with Dark Web

By Atlantic Council

Ben Nimmmo spoke to Politico Europe about the internationalization of nationalism on the dark web and how the United Kingdom is responding.

English Internet

New Atlanticist

Dec 12, 2018

British Prime Minister Theresa May: victorious but still trapped in a minefield

By John M. Roberts

The next mines she must avoid are the timing of a vote on the Brexit agreement she reached with the European Union in November and demands for a vote of no confidence in her government in the House of Commons.

Eurozone Politics & Diplomacy
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Experts

Fellow

Andrea Rigoni

Nonresident Senior Fellow

Scowcroft Center for Strategy and Security Transatlantic Security Initiative

Cybersecurity Digital Policy

Fellow

Tobias Ellwood

Distinguished Fellow

GeoStrategy Initiative

Politics & Diplomacy Security & Defense

Fellow

Richard Hurowitz

Nonresident senior fellow

Europe Center

Economy & Business Europe & Eurasia

Fellow

Ed Owen

Nonresident Senior Fellow

Europe Center

Economy & Business Europe & Eurasia

Fellow

Lisa Aronsson

Nonresident Senior Fellow

Scowcroft Center for Strategy and Security Transatlantic Security Initiative

Europe & Eurasia NATO

Staff

James Batchik

Associate Director

Europe Center

Central Europe Digital Policy
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