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Mark Livingston Named DCSA Assistant Director of Personnel Security

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Mark Livingston, a four-decade government service veteran, took on a new role as assistant director of personnel security at the Defense Counterintelligence and Security Agency.

He will lead efforts to sustain, transform and integrate security practices for the agency’s workforce, DCSA said Wednesday in a LinkedIn post.

Livingston previously served as assistant deputy for manpower, personnel, training and education at the U.S. Navy, lead for the Department of the Navy Security Enterprise and the service branch’s acting deputy undersecretary for intelligence and security.

The former U.S. Marine also worked at the Transportation Security Agency’s Office of Intelligence and Analysis as deputy assistant administrator and at the Nuclear Regulatory Commission as senior reactor specialist.

Earlier in his career, Livingston served as director of corporate intelligence programs for Northrop Grumman.