Tim Martin is the founder and chair of Wetherspoons and one of Britain's most famous Brexiteers.
He has a chain of 900 pubs and hotels across the UK and Ireland and is worth over £700m.
He was in Ireland last week visiting some of his pubs and tells the presenter of RTÉ Radio One's The Business, Richard Curran, his reasons for wanting the UK to leave the European Union.
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