WASHINGTON — US President Donald Trump has appointed his longtime aide and immigration policy architect Stephen Miller as his new White House chief of staff, succeeding Susie Wiles.
President Trump announced the appointment on Friday via his Truth Social platform, confirming that Miller—currently serving as Deputy Chief of Staff—will step into the role on Monday, November 9, 2026. Wiles, who became the first female chief of staff at the start of Trump’s second term in January 2025, will transition to the administration’s political operation.
“I am pleased to announce that Mr.. Stephen Miller… will become the Chief of Staff starting Monday, November 9, 2026,” Trump wrote, praising Wiles for doing an “outstanding job” and thanking her for her service.
Key adviser and hardline immigration architect
Stephen Miller has been a central figure in Donald Trump’s inner circle since the 2016 presidential campaign, initially serving as a speechwriter before taking on the role of senior policy adviser during Trump’s first term.
During his tenure, Miller was the principal architect behind several of the administration’s most restrictive immigration policies, including the 2018 family separation directive at the US-Mexico border. He returned to the White House in January 2025 as Deputy Chief of Staff for Policy and Homeland Security Adviser.
Outgoing chief of staff Susie Wiles, a veteran political strategist credited with bringing tactical discipline to Trump’s 2024 campaign and earlier Florida operations, leaves the post following the Republican Party’s defeat in the November 3 midterm elections.
The transition follows a bruising electoral outcome that saw Democrats flip control of both the House of Representatives and the Senate, setting the stage for heightened legislative friction during the final two years of Trump’s presidency.
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