London Mayor Sadiq Khan has named Sophie Linden as his new Deputy Mayor for Policing.
Ms Linden, deputy leader of Hackney Council and a former adviser to David Blunkett at the Home Office, will oversee the Metropolitan Police.
She was a special adviser to David Blunkett at the Home Office between 2001 and 2004, and worked closely on anti-social behavious with Louise Casey, head of the cross-government Respect Task Force.
She is currently has responsibility for crime and community safety, neighbourhood and civic engagement in her role with Hackney Council.
Mr Khan said: “I'm delighted to announce these key appointments to my top team that brings together people with extensive experience and knowledge to help me deliver my manifesto for all Londoners.”
Speaking about Ms Linden's appointment with that of Fiona Twycross as chair of the London Fire and Emergency Planning Authority, he said: “There is nothing more important than keeping London safe. That's why I'm pleased to have Sophie Linden and Fiona Twycross as part of my team.
“Both have extensive experience in their fields and will help to ensure our police and fire services have the resources they need to protect Londoners and safeguard our city.”