President Trump announced on Sunday when the new press secretary will officially start in her role.

"I am pleased to announce that Katie Zacharia will be beginning her term as Press Secretary tomorrow, Columbus Day, and will be doing an introductory News Conference on Tuesday at 9:30 A.M. from the Press Briefing Room in the White House," he wrote on Truth Social.

"Katie has been with me, in spirit, from the very beginning, and will do a fantastic job!" he added.