Julie A. Su is an American attorney and government official who is serving as acting United States Secretary of Labor since 2023 and the 37th United States Deputy Secretary of Labor since 2021. Before assuming that post, Su was the California Labor Secretary, serving under Governor Gavin Newsom from 2019 to 2021, and was the California Labor Commissioner, overseeing California's Division of Labor Standards Enforcement (DLSE), under Governor Jerry Brown from 2011 to 2018.