Sean Duffy

**Sean Patrick Duffy** (born October 3, 1971) is an American politician, prosecutor, former sports commentator, and personality. Duffy has been the 20th United States Secretary of Transportation since 2025. He was also the Acting Administrator of the National Aeronautics and Space Administration in 2025. He was the U.S. Representative for . He is a member of the Republican Party.

Duffy was a cast member on *The Real World: Boston*, 1998's *Road Rules: All Stars*, and 2002's *Real World/Road Rules Challenge: Battle of the Seasons*, before going on to serve as district attorney of Ashland County, Wisconsin. He was a CNN and Fox News political commentator.

Duffy resigned from Congress on September 23, 2019. In November 2024, President-elect Donald Trump named Duffy as his nominee for secretary of transportation in his second presidency.

## Early life
Duffy was born on October 3, 1971, in Hayward, Wisconsin. He studied at St. Mary's University and at William Mitchell College of Law.

Duffy, a Republican, was made Ashland County District Attorney in 2002. He was reelected in 2002, 2006 and 2008.

## Television career
In 1997, Duffy appeared on *The Real World: Boston*, the sixth season of the MTV reality television show, and on *Road Rules: All Stars* in 1998, where he met his future wife Rachel Campos. Duffy later appeared on *Real World/Road Rules Challenge: Battle of the Seasons*, which aired in 2002. Duffy was also a ESPN commentator.

In December 2022 Duffy and Dagen McDowell were named co-hosts of *The Bottom Line*, a show on Fox Business.

## U.S. House of Representatives
In July 2009, Duffy announced his campaign for Congress in Wisconsin's seventh congressional district. In June 2010, Duffy announced his resignation as Ashland County District Attorney. He won the race on November 2, 2010. He was re-elected from 2012, 2014, 2016 and 2018.

In 2011, Duffy voted to end Davis–Bacon Act. Duffy was on the Select Investigative Panel on Planned Parenthood.

Duffy supported President Donald Trump's 2017 executive order to add a temporary ban on entry to the U.S. to citizens of seven Muslim-majority countries.

Duffy resigned his seat on September 23, 2019, to take care for a newborn daughter with health issues.

## U.S. Secretary of Transportation
On November 18, 2024, President-elect Donald Trump said he would nominate Duffy to be his secretary of transportation for his second presidency. The Senate Committee on Commerce, Science and Transportation approved his nomination in a 28&ndash;0 vote on January 22. The United States Senate confirmed his nomination in a 77&ndash;22 vote on January 28. Duffy was sworn in by United States Supreme Court Justice Clarence Thomas a few hours later.

In his first act in office on January 29, Duffy made his department end and replace all existing corporate average fuel economy standards and ended the electric vehicle mandate. On his first official day in office, Duffy responded to the 2025 Potomac River mid-air collision and opened an investigation into the cause of the crash.

In March 2025, *The New York Times* reported that Duffy had a fight with Elon Musk during a White House cabinet meeting. The secretary criticized DOGE's pressure to fire air traffic controllers at a time when his department was having many air accidents.

On July 9, 2025, Trump named Duffy as the acting Administrator of NASA, replacing acting administrator Janet Petro.

## Personal life
In 1999, Duffy married Rachel Campos-Duffy. They have nine children. Duffy is a Roman Catholic. They live in Weston, Wisconsin.

## References
## Other websites
* Congressman Sean Duffy  official U.S. House website
* Sean Duffy for Congress 
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