Local government in London recent organisation, having been set up in 2000 to replace the similar Greater London Council (GLC) which had been abolished in 1986. The headquarters of the GLA and the Mayor of London is at City Hall. The current Mayor of London is Sadiq Khan who was elected in 2016, replacing Boris Johnson, who served two terms. Health services in London are managed by the national government through the National Health Service, which is controlled and administered in London by a single NHS Strategic Health Authority called "NHS London". The 33 local authorities are the 32 London borough councils and the
Deputy Mayor of London of Policy and Planning and Chief of Staff to Johnson until his death in office in 2011. In May 2011, Sir Edward Lister was then appointed as his successor. Richard Barnes ceased to be Deputy Mayor on 4 May 2012, when he lost his seat in the Assembly. Victoria Borwick succeeded him in the post. Borwick resigned in May 2015, following her election as Member of Parliament for Kensington, being succeeded by Roger Evans. The 2016 London mayoral election was won by Sadiq Khan, a member of the Labour Party. Following the election, he appointed Joanne McCartney Statutory Deputy Mayor,