President Donald Trump has named Stephen Miller as his new White House chief of staff, in the most significant staff change of his second term so far. Trump announced the move on Friday, 6 November, saying Miller will take up the role on Monday, 9 November.

Miller, 41, has served as deputy chief of staff for policy and as homeland security adviser since the start of Trump's second administration in January 2025. He has been one of the central figures behind the administration's immigration policy, and his promotion puts one of the president's closest policy advisers in charge of the White House as a whole. USA Today reports that Trump described Miller as one of his most trusted advisers in the announcement.

Wiles moves to political operation

Outgoing chief of staff Susie Wiles will move to Trump's political operation, according to the announcement. Trump thanked her for her service, saying she had done an outstanding job. The Times reports that Wiles had held the post since the start of Trump's second term.

Reports differ on the precise sequence of her departure: the Daily Caller and the New York Post reported, citing sources close to Wiles, that she tendered her resignation on Thursday night. Neither outlet's account has been confirmed in the president's own announcement.

Move follows midterm defeat

The shake-up comes three days after Republicans lost control of both the House and the Senate in the midterm elections. The change signals that Trump does not intend to soften his agenda as he faces a Democratic-controlled Congress for the final two years of his presidency, with Miller now controlling the flow of policy across the White House.