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Trump replaces Wiles. Miller takes the chief of staff role.

Stephen Miller is to become White House chief of staff on 9 November, after Republican midterm losses.

Stephen Miller during a visit to National Guard troops in Washington in August 2025
Archive photo: Department of Defense / Wikimedia Commons · Source and rights

Donald Trump has named Stephen Miller to replace Susie Wiles as White House chief of staff, with the change taking effect on Monday, 9 November. Wiles will move to the president's political operation.

The announcement came on 6 November, days after Republicans lost control of Congress in the midterm elections. It is a significant change to the team managing the presidency as the administration prepares to deal with a strengthened Democratic opposition.

Miller has been serving as deputy chief of staff and is one of Trump's longest-standing advisers. His association with the president dates to the 2016 campaign, and he has been closely involved in the administration's domestic and immigration agenda.

A change at the centre of government

The chief of staff coordinates White House operations, manages the flow of decisions and helps organise access to the president. Moving Miller into the post places a senior policy advocate at the centre of that management role.

The appointment does not change the congressional election result or give the administration additional legislative votes. It changes who will help organise the response to a different political balance in Washington.

Trump publicly praised Wiles's work while announcing her move. The confirmed facts are the personnel change, the new assignment and its effective date. Speculation about private disagreements or further departures should remain separate from what has been announced.