John Leston Author

John Leston is the retired owner of a market research company. He is the author of published research reports for organisations such as the Department for Work and Pensions and the Financial Conduct Authority. He holds a First-Class degree in Philosophy, Politics and Economics from Magdalen College, Oxford and studied at Nuffield College, Oxford. He has been a parliamentary candidate on two occasions and was leader of the Liberal group on Berkshire County Council.

Sir John Curtice (foreword) is the BBC's election expert and Professor of Politics at the University of Strathclyde.