MAYOR'S PRESS OFFICE
The team behind London's key spokesman. Johnson's press officers communicate his strategies, plans and activities while liaising with other London bodies such as the Met Police.
Guto Harri - Director of communications Ex-BBC political correspondent, now Boris Johnson's top spinner, with an enviable list of media contacts
Samantha Hart - Chief press officer Held the fort for former mayor Ken Livingstone
Joe Derrett - Press officer Runs the press office in Samantha Hart's absence. Also on the strategy team
Kruger du Toit - Press assistant
Joe Derrett, Hasina Momtaz - Strategy Handle bids for interviews with Boris, as well as corporate affairs and liaison with the police and fire service
Matt Brown, Jonathan Edwards - Transport and environment Deal with issues including the London Underground and liaison with Transport for London
Hilary Merrett, Helen Collier - Environment Look after environmental policy and green issues
Richard Brookes - Economic development Covers London 2012 and other issues of regeneration and development
Ben McKnight - Culture and community Looks after events and tourism, among other topics
Rachelle Laurence, Leona Daly - Local media Handle the London-centric press and interviews
LONDON ASSEMBLY EXTERNAL RELATIONS TEAM
The assembly scrutinises the mayor's activities and researches issues of importance to Londoners. Its press team reports its findings and publicises events backed by City Hall. The assembly was created in 2000 and is seen as a stepping stone to Parliament.
Mark Roberts - Greater London Authority's executive director of the secretariat Oversees GLA committee meetings and ensures City Hall runs smoothly
Mark Demery - Head of external relations Was the political editor of LBC Radio before moving to the GLA in 2006. He oversees lobbying, stakeholder relations, strategy and campaigning and works closely with the mayor's team
Dana Gavin - Comms manager Budget; economic development; culture, sport and tourism; Olympics
Lisa Moore - Media officer Transport; health and public services; planning and spatial development
Lydia Donnelly - Communications officer Events and publicity
Mital Shamji - Assistant communications officer Environment.