April 12 (Reuters) - 21Vianet Group Inc:
* 21VIANET GROUP, INC. ANNOUNCES CHANGE IN LEADERSHIP TEAM
* STEVE ZHANG, ITS CO-CHIEF EXECUTIVE OFFICER (CEO), HAS DECIDED TO RESIGN AS CO-CEO
* SHIQI WANG WILL CONTINUE TO SERVE AS CEO OF COMPANY Source text for Eikon: Further company coverage:
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