Duncan ExleyDuncan Exley is the former Director of the Equality Trust, a charity founded by the authors of The Spirit Level (Penguin, second edition 2010) to address economic inequality in the UK. A former student of economic and social history, he has had a lon career in leading campaigning organisations and projects that use research to change government policy and corporate practice. Despite being the son of a shop assistant and a ‘pit electrician’, Duncan has been described as part of ‘the establishment’. He tweets as @Duncan_Exley. Read More Read Less