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The Quad

The Australia, India, Japan and United States Quadrilateral security partnership was revitalised as tensions grew in the Indo-Pacific. Spanning everything from maritime domain awareness to climate change, these four countries are strengthening ties as they seek to take a whole-of-region approach to addressing challenges in the region.

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Experts on The Quad

Peter J. Dean

Professor Peter Dean

Senior Adviser for Defence StrategyUnited States Studies Centre

Dr Lavina Lee

Non-Resident Senior FellowUnited States Studies Centre

Alice Nason

Alice Nason

Non-Resident Fellow, Foreign Policy and DefenceUnited States Studies Centre

Hayley Channer, the Director of the Economic Security Program with the United States Studies Centre at the University of Sydney.

Hayley Channer

Director, Economic SecurityUnited States Studies Centre

Dr Michael Jonathan Green, chief executive officer at the United States Studies Centre

Dr Michael J. Green

Chief Executive OfficerUnited States Studies Centre

Tom Corben, a Research Fellow in the Foreign Policy and Defence Program at the United States Studies Centre

Tom Corben

Research Fellow, Foreign Policy and DefenceUnited States Studies Centre

Quad flags

Quad rift delays Anthony Albanese and Donald Trump meeting

In the news byDr Michael J. Green

Quad flags

India-US oil spat could delay Albanese-Trump meeting

7 August 2025

In the news byDr Michael J. Green

Trade and economics

Developing a shared Australia–Japan agenda for economic security

15 July 2025

Report byTom Barrett, Hayley Channer, Samuel Garrett, Sahara Hoff

Allies and partners

USSC Briefing Room | Unpacking Trump 2.0: Alliances

3 June 2025

Podcast byDr Michael J. Green, Jared Mondschein

President Donald Trump disembarking from Air Force One at dusk.

Unpacking Trump 2.0

3 June 2025

Sydney International Strategy Forum 2024: Conference summary

28 March 2025

Report byJared Mondschein, Ava Kalinauskas, Samuel Garrett, Annabel Bendavid

Quad flags

Polishing the diamond: Opportunities for the Quad

27 March 2025

Report byTom Barrett, Esther Soulard, Jared Mondschein, Tom Corben

USSC Briefing Room | Trump's foreign policy agenda, like it or not

24 January 2025

Podcast byHeino Klinck, Mari Koeck

Trade and economics

USSC Briefing Room | The power of Australia-India port development

7 January 2025

Podcast byRiya Sinha, Jared Mondschein

Prime Minister of Australia, Anthony Albanese, Prime Minister of India, Narendra Modi, US President Joe Biden and Prime Minister of Japan, Fumio Kishida at the Quad Leaders’ Summit in 2024.

Allies and partners

The tireless persistence of the Quad

15 December 2024

Commentary byJared Mondschein

Flags of the Quad nations

Public forum

The future of the Quad

9 December 2024

5.30pm

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7.00pm AEDT

Watch Now

USSC Briefing Room | What the new Congress means for the Indo-Pacific

3 December 2024

Podcast byJared Mondschein, Tom Corben, Alice Nason

US President Joe Biden, US Secretary of State Antony Blinken, Japanese Prime Minister Fumio Kishida, Australian Prime Minister Anthony Albanese and Indian Prime Minister Narendra Modi during the Quadrilateral Summit at the Archmere Academy in Wilmington, Delaware, September 2024.

Operationalising the Quad: Maritime security and climate change in the Indo-Pacific

23 October 2024

Brief byKate Clayton