Mulvaney, a critic of Trump’s during the 2016 election, went on to serve in a series of roles for the Trump administration, including as director of the Office of Management and Budget, acting head of the Consumer Financial Protection Bureau and, most notably, as acting White House chief of staff from January 2019 to March 2020. A loyal, albeit candid, messenger for Trump during his tenure in the White House, Mulvaney has since been…