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Keith Alexander
Description
Keith B. Alexander is the current Director, National Security Agency, Chief, Central Security Service and Commander, United States Cyber Command. He previously served as Deputy Chief of Staff, G-2, U.S. Army from 2003 to 2005. He assumed the positions of Director, National Security Agency and Chief, Central Security Service on August 1, 2005 and the additional duties as Commander, United States Cyber Command on May 21, 2010.
(via Freebase)