Joanne McCartney

Enfield and Haringey

Responsibilities for 2016-17

  • Deputy Mayor for London
  • Member of the Economy Committee
  • Member of the Transport Committee

Key issues

  • Policing and community safety
  • Health and public services
  • Children and young people
  • Jobs, skills and economic development
  • Keeping London moving
  • A greener and environmentally friendly London 


Joanne McCartney AM has been a member of the London Assembly since June 2004. As a representative for Enfield and Haringey, Joanne has been vocal about putting the issues that matter to local people on London’s political agenda. Joanne is a member of the Transport and Economy Committees on the London Assembly where she scrutinises work of the Mayor relating to economic development and examines all aspects of the capital's transport system in order to press for improvements for Londoners.

In May 2016, Sadiq Khan, the new Mayor of London appointed Joanne to the position of Deputy Mayor of London.

Joanne has a strong record of tackling the issues that matter to Londoners. Prior to her appointment as Deputy Mayor, Joanne chaired the London Assembly’s Police and Crime Committee. She was at the forefront of efforts to make the capital safer and led investigations into confronting child sexual exploitation, preventing extremism in London, and boosting the diversity of the Metropolitan Police. She has also been a strong voice on protecting neighbourhood policing and tackling crime on London’s transport network.

Joanne also previously chaired the Assembly’s Health & Public Services Committee. She led efforts to put the spotlight on vital issues including breast cancer screening, the decline of London’s public toilets and access to mental health services. She has also served on the Assembly’s Budget & Performance Committee.

Prior to her time on the London Assembly, Joanne served as a local councillor in Enfield from 1998 to 2006. During this time, she chaired Enfield’s Early Years Development and Childcare Partnership and was a Director of Millfield House & Theatre.

Before becoming an Assembly Member, Joanne also enjoyed a profession as a barrister and specialised in employment law. She worked as an adjudicator to the Housing Ombudsman, too, handling disputes between landlords and tenants.

Joanne is a mother to three children.