The director of national intelligence (DNI) is a senior cabinet-level United States government official, required by the Intelligence Reform and Terrorism Prevention Act of 2004 to serve as executive head of the United States Intelligence Community (IC) and to direct and oversee the National Intelligence Program (NIP). All 18 IC agencies, including the Central Intelligence Agency (CIA), the Defense Intelligence Agency (DIA) and the National Security Agency (NSA), report directly to the DNI. .
https://en.wikipedia.org/wiki/Director_of_National_Intelligence