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Henry Nelson

Deputy Director, Enterprise Programs for the DoD

Insider Threat Management and Analysis Center (DITMAC), Defense Counterintelligence and Security Agency (DCSA)

Mr. Nelson is the Deputy Director, Enterprise Programs for the DoD Insider Threat Management and Analysis Center (DITMAC). In this positon, he is responsible for the oversight & execution of the Assessment and Professionalization Office (APO), the Unauthorized Disclosure Program Management Office (UD PMO), User Activity Monitoring (UAM) PMO and Performance, Requirements, Information, Standards, and Metrics (PRISM). Prior to joining DITMAC, he served as the Chief, Counter Insider Threat Investigation Division at the National Geospatial Intelligence Agency (NGA). In this role, he managed NGA’s unauthorized disclosures program and led a team of forensic investigators, insider threat analyst, cybersecurity engineers, and

counterintelligence officers in two geographical locations. He led adoption of modernized investigative techniques by integrating data science to detect, identify, and mitigate potential or actual threats to NGA personnel, resources, and information.


From September 2016 to October 2017, he served as the Chief, Fusion Division, NGA Counter Insider

Threat Office. In this assignment, he oversaw the development of the NGA Counter Insider Threat Overlay

- a new IT policy requiring IT System owners to provision records and individual user log files to the

Counter Insider Threat Office. The policy was critical to the detection of insider threats posed to National

Security IT systems and preventing damage caused by the likes of Snowden and Manning. The policy was

adopted by NGA CIO-T, and recognized and published as a best practice by the National Insider Threat

Task Force (NITTF), ODNI's National Counterintelligence & Security Center (NCSC), and the IC - Chief

Information Officer.

Henry began his career with NGA as a federal police officer. He was promoted through the ranks from

officer to captain, where he oversaw and directed force protection activities of approximately 120 Police

Officers who were engaged in patrol operations, critical incident response, parking enforcement, and

response to crimes against persons and property. In 2013, he accepted a rotational assignment as an

Executive Officer in NGA’s Human Development Office (HD) where he was responsible for budget, travel,

space, and training. Throughout his tenure at NGA, he served in a variety of other assignments and details

to include Investigator, Office of Inspector General (OIG) and Supervisory HR Specialist.

Mr. Nelson earned a BA from Georgetown University and a certificate in Diversity Equity and Inclusion

(DEI) from Cornell. He is also a graduate of the Federal Law Enforcement Training Center (FLETC). He is

the proud DAD of two amazing daughters; Kiersten (15) and Leah (7). He and his wife Erica are from

Baltimore City and currently reside in Montgomery County, Maryland.

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