Trump makes Stephen Miller chief of staff after midterm defeat
Immigration hardliners gain control over White House decisions and access.
Overview
Democrats’ sweeping gave them control of both chambers of Congress and left Donald Trump under pressure to explain the loss. Trump blamed his absence from the ballot and the war in Iran. Some Republicans also criticized his campaign and governing strategy. On November 6, Trump chose , his hardline immigration adviser and policy deputy, to replace chief of staff . Wiles moved to Trump’s political team, and Miller took the job on November 9.
The move gives Miller control over access to Trump, staff hiring and policy enforcement. It expands his influence beyond immigration. Trump appears more likely to tighten enforcement and give loyalists more control than to moderate his approach. That may please , but it could deepen conflict with Congress and voters who rejected his administration. The test is whether Miller brings new enforcement actions or wider changes in government, rather than simply changing personnel.
Timeline
Trump appointed Stephen Miller as chief of staff after the Republican midterm defeat
Trump's promotion of Stephen Miller, a senior adviser associated with the administration's , placed him in the chief of staff role after Republicans lost control of Congress. The appointment itself does not establish a new immigration directive or prove that it represented a broader policy shift.
Stephen Miller took over as chief of staff after serving as Trump's policy deputy and immigration adviser
Miller formally moved from into the role that controls presidential access, staff coordination and the execution of White House priorities. He had already been a senior adviser on immigration and a principal shaper of the administration's . The promotion gave him broader authority to manage process and personnel, while major policy decisions remained dependent on Trump.
Susie Wiles left the chief of staff role and moved to Trump's political operation
Wiles departed as Trump's top White House manager after giving him her resignation, according to reporting on the transition. Trump said she would continue working through his rather than leave his orbit. Her replacement shifted the White House's central coordinating role from a political and managerial aide to a hardline policy advocate.
Trump named Stephen Miller chief of staff and replaced Susie Wiles
Trump announced that Miller, then deputy , would become on November 9. He praised Wiles for doing an outstanding job while saying Miller was one of his most trusted advisers. The decision followed Republican calls to remove officials associated with the midterm campaign and governing strategy.
Trump cited the Iran war as a factor in Republican losses
Trump said the war in Iran contributed to Republicans' midterm losses, while defending the decision and saying he would have done it again. Reports also described his willingness to work with Democrats, but do not clearly establish the claim that he blamed his absence from the ballot.
Democrats won control of the House and Senate in the 2026 midterm elections
Democrats captured in a sweeping midterm defeat for Republicans. They flipped House districts that had backed Trump by wide margins in 2024 and won Senate seats in states including Texas, Kansas and South Carolina. The result left Trump facing a newly empowered Democratic Congress.