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Declan Ganley

We’ve drastically increased estimates of Ganley’s wealth following new research last year and comments from the man himself. His company Rivada Networks — in which he owns a majority stake — is thought to have been valued by US institutional investors at close to €500m.

The Galway man (46), who grew up in London, made a fortune by investing in timber in Latvia and Russia after the fall of communism before selling out to George Soros in the mid-1990s.

He then invested in broadband and communications in central Europe, selling out for another small fortune. But his Rivada Group is potentially even more lucrative as it develops technology for emergency services’ broadband networks. Net neutrality - paid access to faster bandwidth speeds on the internet — is another big issue that could make Ganley even richer. He lives in a renovated period house in Galway.

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