Ed Arnold

Senior Research Fellow, European SecurityInternational Security


Ed Arnold is a Senior Research Fellow for European Security within the International Security department at RUSI.

His experience covers defence, intelligence, counter-terrorism and counter-insurgency, within the public and private sector. His primary research focus is on the transformation of European security following Russia’s war on Ukraine. Specifically, he covers the evolving Euro-Atlantic security architecture, the security of northern Europe, and the UK contribution to European security through NATO, the Joint Expeditionary Force, and other fora. Ed has a particular interest in UK National Security Strategy and Strategic Defence and Security Reviews.

Ed joined RUSI from the private sector where he was a strategy Director within the defence and security sector. His clients included multiple government departments and multi-national and SME private companies. Prior to consultancy, Ed was an infantry Officer within the British Army. His military career was primarily spent overseas, including deployments to Afghanistan and East Africa and a posting at the Supreme Headquarters Allied Powers Europe during the 2014 Ukraine crisis.

Ed holds a MA War Studies from King’s College London and a BA (Hons) in International Politics from the University of Stirling, Scotland.

Related programme

European Security in Transformation Programme

The European Security in Transformation Programme analyses perennial and emerging security challenges for the wider Euro-Atlantic region within the context of the UK’s national security.

Conference Report: British-German Dialogue on Defence and Security Policies

RUSI and the Friedrich-Ebert-Stiftung (FES) hosted a three-day British-German defence and security policies dialogue. Read the Conference Report by Ed Arnold, June 2022