O'Brien: vast wealth founded on mobile phone license

Denis O'Brien is on the way to becoming the richest Irish person in the world. At present, according to The Sunday Times Rich List, he is worth €2.3 billion and that is set to double in three to four years became of the huge success in the Caribbean, Central America and now the pacific of his mobile phone company, Digicel.

O'Reilly: a career of spectacular brilliance

By any standards he has been extraordinarily successful in business. He started in a small company in Cork, Sutton's, as an employee in 1960 and today he is one of the most powerful business people in Ireland, by far the most commanding presence in the Irish media, along with business interests around the world.

O Reilly - Challenging a Taoiseach

The Moriarty tribunal heard from former Taoiseach, John Bruton, and his adviser, Seán Donlon, how O'Reilly and his executives conveyed an impression of hostility towards the Rainbow government because it failed to concede to O'Reilly's corporate demands. O'Reilly denied this.

Taking on O'Reilly

Tony O'Reilly wields enormous media, corporate and political clout. He has escaped accountability so far. Now Denis O'Brien has challengend him within IN&M and questions arise about his political access. By Vincent Browne and Martin FitzPatrick.