West Ham co-owner Daniel Kretinsky is no stranger to juggling multiple investment projects. The billionaire, known as the ‘Czech sphinx due to his poker-faced business approach, also owns Sparta Prague and dozens of other businesses through his EPH Holdings company. But the 48-year-old’s attention recently has been dominated by his attempted takeover of Royal Mail parent company IDS, in whom he already owns a substantial stake. Now, Kretinsky is understood to be readying another huge acquisition – this time of French IT firm Atos. He has an option to complete a full takeover of West Ham, but h…