NEW YORK--(BUSINESS WIRE)--The Board of 21st Century Fox (NASDAQ: FOXA, FOX) today announced a series of senior management changes, which will take effect July 1, 2015. Rupert Murdoch, the Company’s founder and Chairman and CEO, together with Lachlan Murdoch, currently Co-Chairman, will become Executive Co-Chairmen. Chase Carey, the Company’s Deputy Chairman, President and COO since 2009, will become the Executive Vice Chairman and serve in that role through June 30, 2016. James Murdoch, curren