Luke Johnson is one of Britain's most successful entrepreneurs with an estimated personal fortune of £120 million. He is Chairman of Risk Capital Partners and The Royal Society of Arts, and a former Chairman of Channel 4 Television. He writes columns for the Financial Times and Management Today. In the 1990s he was Chairman of PizzaExpress, which he grew from 12 restaurants to over 250; he also founded the Strada pizzeria chain and owns Giraffe and Patisserie Valerie. He lives in London and is married with three children.