[Trump Announces Stephen Miller's Appointment as White House Chief of Staff] Golden Finance reports that on November 7th, US President Trump announced that current Deputy White House Chief of Staff Stephen Miller will officially assume the position of Chief of Staff on November 9th, succeeding Susie Wiles. Wiles will join Trump's political action team. Trump stated that Miller is one of his most trusted advisors and thanked Wiles for her previous work as Chief of Staff.