Sonia Purnell is a writer and journalist known for her investigative skills and lively writing style. She started work at the Economist Intelligence Unit, edited a weekly financial magazine when only 25, and then went on to a senior position on the Daily Telegraph's City pages. It was whilst working in the Telegraph's Brussels bureau in the early Nineties that she first came into close contact with Boris Johnson, then at a turning point in his personal life and working career. After her stint in Brussels, Sonia wrote about government for the Daily Telegraph and then the Daily Mail, where she was Whitehall Editor. She is now freelance and lives in London with her husband and two sons.