Biography
Background & current role
Michael G. “Mike” Waltz served as President Trump’s National Security Advisor from the start of the second administration until May 1, 2025, when Trump moved him out of the White House role and nominated him for U.S. Ambassador to the United Nations. The Senate confirmed Waltz on September 19, 2025, and House historical records list him as U.S. Representative to the United Nations from 2025 to present.
Current record notes: {'id': 'waltz-un-confirmed-2025-09-19', 'date': '2025-09-19', 'display_date': 'September 19, 2025', 'subjects': ['office-role', 'foreign-policy-diplomacy'], 'summary': 'The Senate confirmed Michael G. Waltz as U.S. Representative to the United Nations, with the rank of Ambassador, by a 47–43 vote.'} {'id': 'waltz-nsa-role-change-2025-05-01', 'date': '2025-05-01', 'display_date': 'May 1, 2025', 'subjects': ['office-role', 'national-security-defense', 'foreign-policy-diplomacy'], 'summary': 'President Trump ended Waltz’s White House National Security Advisor tenure and announced that he would nominate Waltz to serve as U.S. Ambassador to the United Nations; Secretary of State Marco Rubio was assigned the national-security-adviser duties on an interim basis.'}
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Role snapshot
Position & relationship
- Position / relationship
- U.S. Ambassador to the United Nations; former White House National Security Advisor
- Affiliation / context
- Republican / Trump Administration
- Directory
- Former / Recent
- Profile status
- Changed administration role
- Service dates
- National Security Advisor: January 20, 2025 – May 1, 2025; U.N. Ambassador: September 19, 2025 – present
Role history & transitions
Documented current/future role notes
- The Senate confirmed Michael G. Waltz as U.S. Representative to the United Nations, with the rank of Ambassador, by a 47–43 vote.
- President Trump ended Waltz’s White House National Security Advisor tenure and announced that he would nominate Waltz to serve as U.S. Ambassador to the United Nations; Secretary of State Marco Rubio was assigned the national-security-adviser duties on an interim basis.
Claims & evidence
Evidence tracker
WELL SUPPORTED
NOT SUPPORTEDNo factual claim is rated simply because this person is associated with an administration, party, government or family. Specific disputed claims are added here only when the original statement and source record can be shown together.