Hayley Harrison (née D'Antuono)[1] is an American political aide who is the current chief of staff to the first lady of the United States.

While there, she coauthored a study entitled "Gender Differences in Student Perceptions of Literacy Activities", which was presented at the 26th annual Convention of the Association for Psychological Science.

[3] Both she and her husband, William "Beau" Harrison, remained part of the Trump family’s inner circle, receiving compensation through the Save America political action committee.

[4][5] Harrison’s role in the Mar-a-Lago classified documents case emerged publicly in 2022, when she was identified as "Trump Employee 1" in a federal indictment.

[1] On November 22, 2024, Melania Trump announced Harrison’s appointment as chief of staff to the first lady of the United States for her second tenure.