NII Holdings Inc. announced that its Board of Directors has appointed Steven M. Shindler to the permanent position of chief executive officer, effective immediately. Mr. Shindler had been holding the dual role of chairman of the Board and interim chief executive officer while the Board conducted an extensive search for a chief executive. Mr. Shindler has served as chairman of NII Holdings since 2000 and was the company's CEO from 2000 to 2008.