Donald Trump has said that his new chief of staff will be the Trump administration's deputy chief of staff and one of his most trusted advisers, Stephen Miller, who will succeed him in that role. Susie Wills. Susie Wales then noted her "unwavering" devotion to Trump. We note that according to a report by CBS News, citing a representative of the American administration, White House Executive Director Susie Wills submitted her resignation to President Trump last night.