We need to talk about Denis ...

He is Ireland’s richest man. A philanthropist and a tax exile. A media baron, but fiercely protective of his own privacy

Where to begin with Denis O’Brien? He is, without question, Ireland’s richest man, one of the state’s largest employers and one of the most influential Irishmen of his generation. He commands a sprawling business empire that has propelled his wealth into the billions. Forbes says he is the 199th richest person on the planet, worth $6.3 billion. There are other labels too: media baron, telecoms tycoon, even property mogul. He has reached a ...