O'Brien is the owner of Haiti 's largest telecom company , Digicel . O'Brien pledged an immediate € 3.5 million of his money to assist desperate Haitians within hours of the 2010 Haiti earthquake . Two of Digicel 's 900 staff members in Haiti died in the earthquake . Digicel is Haiti 's largest single investor
2010 Haiti earthquake
2010 Haiti earthquake
Denis O'Brien