section_path: National Security Advisor/Tenure at the NSA
section_name: Tenure at the NSA
paragraph_text: Tenure at the NSA
  
  On November 12, 2024, President-elect Donald Trump announced that he would appoint Waltz to serve as his national security advisor.
  
  On January 20, 2025, Waltz tendered his resignation from the U.S. House of Representatives in order to take up his appointment with the Trump administration. He would assume office the same day. Shortly after becoming National Security Advisor, Waltz would reverse his previous stance supporting a ban on TikTok in the United States.
  
  On January 28, 2025, Waltz held a meeting attended by Secretary of State Marco Rubio and Secretary of Defense Pete Hegseth to "discuss implementing President Trump's vision of securing the nation and prioritizing American interests on both domestic and international fronts."
  
  On February 18, 2025, American and Russian delegations, headed by Secretary of State Marco Rubio and Russian foreign minister Sergey Lavrov, respectively, met in Riyadh, Saudi Arabia, in order to develop a framework for further peace negotiations on the war in Ukraine. Rubio was accompanied by Michael Waltz and Special Envoy Steve Witkoff.
  
  On March 3, 2025, Waltz confirmed on CNN 's State of the Union that the United States would continue offensive cyber operations against Russia.
  
  On March 24, 2025, Waltz announced a visit to Greenland, which was criticized by Greenlandic leaders as an aggressive move amid ongoing tensions over U.S. interests in the territory. The Greenland government has accused the United States of foreign interference in its affairs.
  
  On November 12, 2024, President-elect Donald Trump announced that he would appoint Waltz to serve as his national security advisor.
  
  On January 20, 2025, Waltz tendered his resignation from the U.S. House of Representatives in order to take up his appointment with the Trump administration. He would assume office the same day. Shortly after becoming National Security Advisor, Waltz would reverse his previous stance supporting a ban on TikTok in the United States.
  
  On January 28, 2025, Waltz held a meeting attended by Secretary of State Marco Rubio and Secretary of Defense Pete Hegseth to "discuss implementing President Trump's vision of securing the nation and prioritizing American interests on both domestic and international fronts."
  
  On February 18, 2025, American and Russian delegations, headed by Secretary of State Marco Rubio and Russian foreign minister Sergey Lavrov, respectively, met in Riyadh, Saudi Arabia, in order to develop a framework for further peace negotiations on the war in Ukraine. Rubio was accompanied by Michael Waltz and Special Envoy Steve Witkoff.
  
  On March 3, 2025, Waltz confirmed on CNN 's State of the Union that the United States would continue offensive cyber operations against Russia.
  
  On March 24, 2025, Waltz announced a visit to Greenland, which was criticized by Greenlandic leaders as an aggressive move amid ongoing tensions over U.S. interests in the territory. The Greenland government has accused the United States of foreign interference in its affairs.