Julie Ann Su is an American attorney and government official with a distinguished career in labor and economic justice. She currently serves as the Deputy Mayor of New York City for Economic Justice in the Zohran Mamdani administration.
Prior to her current role, Su held prominent positions within the United States Department of Labor. She served as Acting United States Secretary of Labor from March 11, 2023, to January 20, 2025, following the departure of incumbent Marty Walsh.