Leigh Caldwell is a mathematician working commercially on behavioural economics and the economics of information. He is chief executive of Inon, an economics and software consultancy based in London, and heads Intellectual Business, a new think tank which explores analytic approaches to business and how to apply the principles of economics and the hard sciences in commercial environments. He also writes a blog on the economics of information and behaviour, Knowing and Making. He obtained a degree in mathematics and physics from the University of Glasgow at the age of 18.