He was educated at the Lycée International school in Saint-Germain-en-Laye in the western suburbs of Paris, and Imperial College London, where he obtained a BSc in Physics in 1983.
After the 1997 election, party leader Paddy Ashdown placed Brake on the frontbench as a spokesman on the Environment, Transport and the Regions.
Following the 2001 General Election, then party leader Charles Kennedy appointed him a spokesman on Transport, Local Government and the Regions.
In June 2010 Brake was named Co-Chair of the new Liberal Democrat Backbench Committee on Home Affairs, Justice and Equalities.
[4] On 4 September 2012 he was appointed Deputy Leader of the House of Commons, replacing Liberal Democrat David Heath MP who was promoted to Minister of State in DEFRA.
In January 2015, Brake was appointed to the Liberal Democrat General Election Cabinet as the party's Leader of the House of Commons and London spokesperson.
[11] He has said that new rules should be introduced to require MPs to publish employment agreements linked to their political activities, and meanwhile should make the information available on a voluntary basis.