Steven T. Mnuchin, with his fiancée, Louise Linton, and President Trump looking on, was sworn in as Treasury secretary by Vice President Mike.
US Treasury Secretary Steven Mnuchin has highlighted the need of a strong but balanced economic relationship between the world's largest.
Secretary Click name for biography. Dates Served. President. Alexander Hamilton, New York. Sept. 11, 1789 - Jan. 31, Washington. Oliver Wolcott Jr.