Former Director of the Operations Directorate, NSA/CSS
Mr. Darby is a nearly 39-year veteran of the U.S. Intelligence Community, primarily in the National Security Agency (NSA)/Central Security Service (CSS), culminating in serving over four years as the NSA/CSS Director of Operations (DO). Prior to assuming the DO position, which oversees all of NSA’s collection, code-breaking, analysis and production of signals intelligence (SIGINT), he led some of NSA’s most difficult missions, including Counterterrorism, Cybersecurity Operations, and SIGINT analysis and production on all geographic and transnational missions. He managed a budget in the billions, drove development and use of advanced technologies, and in multiple positions led thousands of globally distributed civilian and military personnel providing intelligence support for military, diplomatic, cybersecurity and law enforcement operations.