As succession plans go, this was one both tidy and straightforward. Last January, on the same day that Carolan Lennon announced that she was stepping down as chief executive of eir, it was announced that she was to be replaced by Oliver Loomes, formerly managing director and chairman of Diageo Ireland. Loomes did not have a telecoms background, but he had solid marketing and corporate credentials. In addition to Diageo, he had worked with Mars and was perhaps best known to the public as the man who came up with the ‘Arthur’s Day’ marketing campaign. “With decades of experience in…