Ivan Glasenberg's bluff has been called by Qatari investors who have stated in public for the first time that they will vote down his £19.6billion bid for mining giant Xstrata.
Although the bank denies the allegations, it agreed to the deal to avoid further legal costs and uncertainty. Shareholders who acted together in a class action.
Boss Sir Martin Sorrell shifted operations to Ireland in 2008 amid concerns over the threat of 'double taxation' on overseas profits made by multinational companies.