GOP Adviser and Financier - Justin Muzinich 
                     Justin Muzinich
Deputy Treasury Secretary - GOP Adviser 
and Financier
NJ50 Profile
Justin Muzinich has served as an economic adviser to an array of 
Republican Party luminaries, but his time in the Treasury 
Department has involved some of his most high-profile work. 
Muzinich, a former aide to presidential candidates Mitt Romney 
and Jeb Bush, helped shepherd one of the Trump administration’s 
biggest legislative victories through Congress and into the 
rulemaking process: the 2017 rewrite of the tax code. Serving as 
counselor to Secretary Steven Mnuchin, Muzinich helped juggle 
pressure from corporate America, Congress, and outside groups 
who clamored to get their policy positions into the tax law.
Rep. Kevin Brady was chairman of the Ways and Means Committee 
when Treasury worked with Congress to craft the overhaul.
“In every meeting, he played a key role in policy and helped guide us 
toward a successful conclusion, and his personal skills in working 
with all those in the rooms were hugely helpful,” Brady said.
Muzinich’s influence has grown since the president tapped him to 
become deputy secretary. The Manhattanite father of two is in part 
guiding the implementation of the tax bill, helping Treasury craft the 
rules and regulations taxpayers need in order to comply.
That, along with his other duties as Mnuchin’s No. 2, puts Muzinich 
in a position to impact financial issues ranging from tax deductions 
to cryptocurrency.
The Harvard and Yale graduate, like many in the 
Trump administration’s Treasury Department, is a 
recent Wall Street transplant. Muzinich previously 
served as president of Muzinich & Co., an international 
investment firm created by his father, and he also 
worked at Morgan Stanley and the hedge-fund EMS 
Capital.
But Muzinich always had an eye for policy, crafting op-
eds over the years for publications like The New York 
Times, The Washington Post, and Foreign Policy, 
arguing for reforming the Federal Reserve and for a 
closer trade relationship with Europe.
Muzinich served as an informal tax-policy adviser to then-
candidate Romney and later in an official capacity to Jeb 
Bush’s campaign. For Bush, Muzinich crafted a tax platform 
that in part served as a framework for the Trump 
administration’s code overhaul, featuring many of the same 
key policy proposals like collapsing the tax brackets, 
doubling the standard deduction, and reducing the 
corporate rate. 
Hobbies
Squash enthusiast
Sports: played collegiate squash, high school soccer (goalie)
Avid squash player
Former member of the National Urban 
Contact Us
Address: Washington, DC Metro Area
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