Davos selfie: attendees enjoy a lighter moment at the 45th annual meeting of the World Economic Forum. Photograph: EPA/Laurent Gillieron

Within an hour of touching down in Davos, The Irish Times bumped into one of its compatriots – businessman Denis O’Brien. Dressed in a sharp pink shir(...)

 Denis O’Brien says trade relationship between Russia, Europe and the US is greatest geopolitical issue facing the world’s economy. Photo: David Sleator/The Irish Times

Billionaires gathering at the World Economic Forum’s annual meeting this week in Davos, Switzerland, are worried about global terrorism, oil prices an(...)

Denis O’Brien’s Digicel fails to stymie deal.

Attempts by Denis O’Brien’s Digicel telecoms company to stymie Cable &Wireless’s $1.85 billion acquisition of Columbus International in Caribbean (...)

Ballynahinch Castle: Denis O’Brien has spent quite a few euros renovating the property since its acquisition

The owners of Ballynahinch Castle Hotel and estate in the heart of Connemara, Co Galway, received slightly more than €6.5 million from billionaire Den(...)

The Irish Times’ business affairs correspondent Mark Paul: chief executive of Viber? Photograph: Dara Mac Donaill

We received a large entry for Ciarán Hancock’s Christmas Quiz, which took some time to work through. It threw up a few odd answers with a number of yo(...)

Denis O’Brien: if European Commission was to side with him it could set a precedent in other EU member states. Photograph: Dara Mac Dónaill

Newstalk says it expects a “further update” from Brussels in the next month or so in relation to its complaint about RTÉ’s use of licence fee funds.“T(...)

Aidan Gillen (left) plays late former taoiseach Charles Haughey (right) in RTÉ1’s ongoing drama, Charlie. Photographs: Matt Kavanagh/The Irish Times/RTÉ 2:11

The final episode of RTÉ1’s Charlie, exploring the wiles and ways of late former Fianna Fáil taoiseach Charles Haughey, screens on Sunday night, Ja(...)

Double act: Tom Vaughan-Lawlor as PJ Mara and Aidan Gillen as Charles Haughey in ‘Charlie’ 2:11

Many of his contemporaries were put out to political pasture, but PJ Mara, the late Charles Haughey’s former press secretary, has not only survived. H(...)

The latest supermarket ad tracker data shows Tesco has upped its advertising massively in the Irish market – by more than 100 per cent – so it won’t lose top billing without a fight. Photograph: Chris Ratcliffe/Bloomberg

Whisper it but, facing into 2015, there has been an outbreak of hope within the retail industry. After seven years of fretting across the retail sp(...)

Downfall of O’Reilly Sir Anthony O’Reilly was forced to sell of his assets to meet his debts, largely accrued in the fight with Denis O’Brien fo(...)