President-elect Donald Trump has chosen Karoline Leavitt to be his White House press secretary, meaning the longtime Trump advocate will soon be the youngest White House press secretary in history, and potentially one of the administration’s most visible figures.

Donald Trump announced Friday that Karoline Leavitt will serve as his White House press secretary, choosing a veteran of his first term with a proven ability to spar with the media. Leavitt, 27, served as the Trump campaign national press secretary and previously served in the Trump White House as assistant press secretary.