Trump appointed Stephen Miller as White House chief of staff Stephen Miller, one of the main developers of Donald Trump's immigration policy, will head the White House staff on November 9. The President of the United States announced this on Social Truth. Miller now serves as Deputy Chief of Staff. He will replace Susie Wills, who will join Trump's political team. Miller joined Trump's staff during his first presidential campaign in 2016. He wrote speeches for the candidate and after the election became a consultant in the White House. Miller pushed to expand Ice's immigration operations. In May 2025, he demanded an increase in the number of arrests to 3,000 a day and ordered to target anyone in the United States without legal status, Reuters reported. Photo: Jim Watson / AFP.