Trump Names Miller New Chief Of Staff As 'Most Powerful' Wiles Is Out President Donald Trump has tapped longtime loyalist Stephen Miller as his new White House chief of staff , effective Monday, in a major shakeup following Republicans' devastating midterm election defeat.
Stephen Miller spoke at an April 2025 event in Warren, Mich. Jeff Kowalsky/AFP/Getty Images "I am pleased to announce that Mr. Stephen Miller, the current Deputy Chief of Staff of the Trump Administration, and one of my most trusted advisors , will become the Chief of Staff starting Monday, November 9, 2026.
Susie Wiles, who has done an outstanding job, will be moving over to the Trump Political Operation. I want to thank her for her service as Chief of Staff - She has done a great job!" the president posted on Truth Social. Miller, currently serving as deputy chief of staff, would replace Susie Wiles and take command of the White House's day-to-day operations at a critical moment for Trump's second term.