The company was founded last February by business school friends David Gilboa, Neil Blumenthal, Andrew Hunt and Jeffrey Raider.

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CNN's Allen Corinna, Nick Hunt, Antonia Mortensen, Andrew Carey and Alexander Felton contributed to this report.

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Mr Hunt was responding earlier to an urgent question from Stewart Andrew, the Conservative MP for Pudsey.

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Andrew Hore, the Kiwi Elite Performance Director brought in mid-season, will hunt for a successor this summer.

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