The Rt Hon Sir David Lidington KCB CBE
RUSI Distinguished Fellow, International Security
Associated with the International Security research group
Biography
David Lidington served as MP for Aylesbury, Buckinghamshire, for more than 27 years until he stepped down from the House of Commons at the 2019 General Election. He spent more than 20 years on the Conservative Party front bench, serving as an Opposition spokesman on Home Affairs, Treasury, Environment and Agriculture, Northern Ireland and Foreign Affairs. He served as RUSI Chair between 2020 and 2025.
Between 2010 and 2016 David was the United Kingdom's longest serving Minister for European Affairs, visiting 45 European countries and representing the United Kingdom at the EU, NATO, the Council of Europe, OSCE and the UN Security Council. In Theresa May’s governments, he served successively as Leader of the House of Commons, Lord Chancellor and Secretary of State for Justice, and Chancellor of the Duchy of Lancaster and Minister for the Cabinet Office. In that last role, David acted as deputy to the Prime Minister.
David is President of the Great Britain China Centre, UK Co-Chair of the Konigswinter Conference (UK/Germany) and the Aurora Forum (UK/Nordics and Baltics). He is a trustee of the Institute for Government, a member of the Advisory Council of the Centre for European Reform and President of the Conservative European Forum.
David was educated at Haberdashers' Aske's School, Elstree, and Sidney Sussex College Cambridge, where after his first degree he took a PhD for work on law enforcement in the reign of Elizabeth I. He is married to Helen and they have four grown-up sons.