The Conservative Mayoral candidates:
Zac Goldsmith, Conservative MP for Richmond Park
Zac ran the Ecologist Magazine, receiving the Mikhail Gorbachev's Global Green Award for 'International Environmental Leadership'.
In 2010 Zac was elected MP for Richmond Park and North Kingston. He has been voted Politician of the Year four times by four organisations for his campaigning work.
He has led campaigns against Heathrow expansion, pressed for free parking to help small shops in his constituency, stopped plans to charge plans for Richmond Park, stopped the sell off of playing fields, and secured extra funds for Kew Gardens.
Nationally he has led campaigns to make Planning systems more democratic, make MPs more accountable to voters, and protect environment a priority.
In 2015 he was re-elected for his London seat.
Stephen Greenhalgh, Deputy Mayor for Policing and Crime
Stephen Greenhalgh worked as both as a Council Leader and as Deputy Mayor for Policing and Crime.
He took majority control of the Hammersmith & Fulham Borough for the first time since 1968. During his time in this seat, he cut council tax five times in six years.
He stepped down in May 2012 when he was appointed Deputy Mayor for Policing and Crime by the Mayor of London, Boris Johnson. Since then he has set the budget plans for the Metropolitan Police and devised a cost-reduction strategy to realise £600 million of savings by 2016.
Stephen Greenhalgh launched his bid to become London Mayor at the end of last year with a pledge to make the capital less expensive for working Londoners on low and middle incomes through: Cuts to bus and tube fares with a pledge to cut tube fares across the board by 3% every year.
Syed Kamall, Conservative member of the European Parliament for London
Syed Kamall MEP is a Londoner born and bred. The son of Guyanese parents, his father moved to London in the 1950s to work on the buses and railways. He is married with two children at London schools.
He is the most senior elected Brit in Brussels and the leader of the ECR group.
He is passionate about grassroots projects here and believes that Londoners themselves often have better ideas on how to solve London's problems than government.
Andrew Boff, London Assembly Member
Andrew Boff authored the 2013 report "Shadow City" which raised awareness of the nature of human trafficking in the capital.
He is a champion of the National Ugly Mugs scheme which provides alerts about violent criminals to sex workers, and is Chairman of the Board of Africa House London, which, with the assistance of the London based African diaspora, promotes trade between London and Africa.
He also leads the GLA Conservative Group on the London Assembly. He is a former Leader of the London Borough of Hillingdon and a Councillor in Hackney, prior to getting elected in 2008 he was an IT consultant. He now lives in Barking.