On August 27, 2013, Donald Neff, Vice President, Finance Operations and Controller (principal accounting officer) of NII Holdings Inc., notified the company of his decision to resign effective September 10, 2013. On August 28, 2013, Esteban Naranjo, 50, accepted the position of Vice President, Corporate Controller and Principal Accounting Officer of the company effective September 1, 2013. In this role, Mr. Naranjo will report directly to Juan Figuereo, the Company's Executive Vice President, Chief Financial Officer.