All change at the top as Boris's team heads list of Influentials

An Evening Standard analysis of the top figures in the capital shows Boris Johnson is the most influential person in London since ousting Ken Livingstone as Mayor in May.

Mr Livingstone and his aides have been replaced by a new group of power-hungry Conservative politicians and fresh-faced advisers, including four deputy mayors.

The full list of the 1,000 most influential Londoners will be unveiled tomorrow by the Standard in a 116-page glossy magazine. But today we can reveal 25 of the people who have transformed the capital's political scene.

The five most powerful Londoners are the Mayor; his chief of staff and deputy mayor Sir Simon Milton; Transport for London commissioner Peter Hendy; Tube managing director Tim O'Toole; London Councils leader Merrick Cockell; and Metropolitan Police Commissioner Sir Ian Blair.

Despite his shock resignation after a showdown with the Mayor, Sir Ian remains in charge of Scotland Yard until 1 December.

Mr Johnson and Mr Cockell are new to the top five, elbowing aside Mr Livingstone and Olympic Delivery Authority chief executive David Higgins, although both remain among the top 50.

Twenty-seven of the 50 are new entries to the list - reflecting the dramatic change in the city's political landscape since the May election.

David Cameron heads the politics league table, taking over from last year's number one, Gordon Brown, a reflection of his prime-minister-in-waiting status.

Top of the business list are Lakshmi Mittal, the fourth richest person in the world and his brother Aditya.

Divorce lawyer Fiona Shackleton, best known for her courtroom drenching at the hands of Heather Mills, is one of the most influential legal figures.

Within City Hall the list includes each of the deputy mayors, including assembly member Kit Malthouse - whose remit is policing and who was instrumental in the departure of Sir Ian; Ian Clement, who handles government relations; and Richard Barnes, in charge of policy on regeneration and community co-hesion.

Mr Livingstone remains influential - as a constant thorn in Mr Johnson's side and an omnipresent commentator - but with a dramatically reduced profile.

Our list, compiled by 38 Evening Standard specialists and independent experts, names the people whose talents have made this the world's most influential city.