Tim Kosiba Named NSA Deputy Director

Timothy Kosiba has been announced as the National Security Agency’s 21st Deputy Director, returning to the agency as its most senior civilian leader with more than 30 years of federal service. The NSA said the appointment was designated by Secretary of War Pete Hegseth and Director of National Intelligence Tulsi Gabbard, with formal approval from President Donald J. Trump.

The veteran of the Intelligence Community started at the NSA as the technical director for the Joint Functional Component Command for Network Warfare and later led as technical director for TAO’s Requirements and Targeting Office.

He was selected for the Defense Intelligence Senior Level Service and posted as chief of the Special US Liaison Office Canberra in Australia, before returning to become deputy director of the NSA/CSS Commercial Solutions Center and then chief of Computer Network Operations, followed by deputy commander of NSA Georgia. Kosiba also spent time in the private sector as a CEO and consultant, according to NSA. 9 January 2026.