Although serial entrepreneur Karen Darby, who started energy price comparison service Simply Switch and sold it for £25m just three years later, has reaped huge financial rewards, her business ventures have also had social aims. In an exclusive video interview, Darby, a judge at The Pitch 2009, argues that social enterprise is the way forward.
Dragons' Den judges James Caan and Deborah Meaden and social entrepreneur Karen Darby are some of the successful entrepreneurs who feature in our exclusive videos. Watch here.
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