O’Brien’s radio group revamps management Newstalk's chief executive Tim Collins leaves in Communicorp shake-up Ian Guider April 12, 2017 Changes at Denis O'Brien's radio group. Pic: Getty Previous Next Image 1 of 2 File Photo Denis O Brien Losses Action Against Court and State Court rules it cannot interfere with Dáil statements on O'Brien. End1/12/2016 Denis O Brien Court Case. Businessman and major shareholder in Independent News and Media, Denis O Brien leaving the Four Courts after . The action concerns certain statements made about O Brien's business dealings in Dail Eireann by TDs Catherine Murphy of the Social Democrats and Sinn Fein's Pearse Doherty. The businessman alleges that those statements breached his constitutional right to privacy. Photo RollingNews.ie Photo: Eamonn Farrell/RollingNews.ie Photo by Andrew Fanning Image 2 of 2 Denis O'Brien, billionaire and chairman of Digicel Group Ltd., poses for a photograph following a Bloomberg Television interview on day two of the World Economic Forum (WEF) in Davos, Switzerland, on Thursday, Jan. 23, 2014. World leaders, influential executives, bankers and policy makers attend the 44th annual meeting of the World Economic Forum in Davos, the five day event runs from Jan. 22-25. Photographer: Simon Dawson/Bloomberg Photo by Andrew Fanning Analysis & Opinion LATEST NEWS13:41Profits fall sharply at Carbery Group after difficult year for dairy markets13:38Music for all as Cork choral festival clicks into action13:33Big business to be liable for suppliers’ ESG abuses from 202713:33Lender threatens to ‘wipe out’ Johnny Ronan’s real estate group, High Court told13:25UK banks to consider private equity risks after BoE warning13:14Higher for longer: How businesses are struggling with sky-high costs even as inflation eases