premise: Rupert Murdoch is the Chairman of The Magisterium.
hypothesis: The chairman ( also chairperson , chairwoman or chair ) is the highest officer of an organized group such as a board , a committee , or a deliberative assembly . James Rupert Jacob Murdoch ( [ ˈmɜrdɒk ] born 13 December 1972 ) is an Australian , British , American businessman , the younger son of media mogul Rupert Murdoch , the chief executive officer ( CEO ) of 21st Century Fox , and chairman of Sky plc. . He is the former chairman and CEO of News Corp. , Europe and Asia , where he oversaw assets such as News International ( British newspapers ) , publisher of The News of the World newspaper , SKY Italia ( satellite television in Italy ) , Sky Deutschland , and STAR TV ( satellite television in Asia ) . He sits on the News Corporation board of directors and is a member of the office of the chairman . Rupert Murdoch . Murdoch thus had full control as Chairman and CEO of global media holding company News Corporation , now the world 's second-largest media conglomerate , and its successors , News Corp and 21st Century Fox , after the conglomerate split on 28 June 2013 .