Steven Terner Mnuchin is an American investment banker and film producer who served as the 77th United States secretary of the treasury as part of the Cabinet of Donald Trump from 2017 to 2021. Serving for nearly a full presidential term, Mnuchin was one of the few high-profile members of Trump's cabinet whom the president did not dismiss.

Donald Trump assumed office as president of the United States on January 20, 2017, and his term ended on January 20, 2021. The president has the authority to nominate members of his Cabinet to the United States Senate for confirmation under the Appointments Clause of the United States Constitution.