United States National Security Council
U.S. federal executive national security and intelligence forum
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| January 20 2025 | The position was updated to Assistant to the President and Homeland Security Advisor as Stephen Miller assumed the role. |
| January 20 2025 | Andy Baker becomes the National Security Advisor to Vice President JD Vance. |
| March 21 2022 | Philip H. Gordon takes over as National Security Advisor, serving until January 20, 2025. |
| January 2021 | The Directorate of Global Health Security and Biodefense is reinstated during President Joe Biden's presidency. |
| January 20 2021 | Under the Biden administration, the role became Assistant to the President and Homeland Security Advisor and Deputy National Security Advisor. |
| January 20 2021 | Nancy McEldowney begins her term as National Security Advisor to Vice President Kamala Harris. |
| July 2018 | Tim Morrison is assigned as director of a new consolidated directorate of counterproliferation and biodefense, absorbing the responsibilities of the previous Global Health Security and Biodefense directorate. |
| June 1 2018 | The position was modified to Deputy Assistant to the President for Homeland Security and Counterterrorism. |
| May 2018 | John Bolton, as head of the National Security Council, eliminates the Directorate of Global Health Security and Biodefense through an organizational restructuring, which results in Rear Admiral Tim Ziemer's resignation. |
| April 27 2018 | Keith Kellogg becomes the National Security Advisor to Vice President Mike Pence. |
| April 2017 | With National Security Presidential Memorandum 4, the director of national intelligence and chairman of the Joint Chiefs of Staff are mandated to attend Principals Committee meetings, and the CIA director is included as a regular attendee. |
| January 29 2017 | President Donald Trump restructures the Principals Committee, altering the attendance of the chairman of the Joint Chiefs of Staff and director of national intelligence. |
| January 26 2017 | Andrea L. Thompson becomes the National Security Advisor to Vice President Mike Pence. |
| January 20 2017 | The role reverted to Assistant to the President for Homeland Security and Counterterrorism under the Trump administration. |
| 2016 | The Directorate of Global Health Security and Biodefense is formed under the Obama administration. |
| 2014 | The staff organization's name is changed back to National Security Council Staff. |
| August 1 2014 | Colin Kahl takes over as National Security Advisor to Vice President Joe Biden, replacing Jake Sullivan. |
| February 26 2013 | Jake Sullivan becomes National Security Advisor, succeeding Antony Blinken, and serves until August 1, 2014. |
| February 4 2013 | NBC published a leaked Department of Justice memo detailing the legal rationale for targeted killing of US citizens who are senior operational leaders of Al-Qa'ida or associated forces. |
This contents of the box above is based on material from the Wikipedia articles National Security Advisor to the Vice President, Homeland Security Advisor & United States National Security Council, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.