In a social media post, US President Donald Trump says his chief of staff will leave her post on Monday, less than a week after his Republican Party's disastrous midterm election performance. newsiviewlistenLoading ABC NewsNews HomeTrump to replace chief of staff Susie Wiles with hardline deputy Stephen MillerShareShare articleTrump to replace chief of staff Susie Wiles with hardline deputy Stephen MillerBy Riley Stuart in Washington DCPosted Sat 7 Nov 2026 at 6:27amSat.