Stefanik, who has Polish and Dutch roots, grew up in the northern part of the state of New York, worked in the White House, m.in. in the office of the chief of staff George W. Bush. In 2014, she first went to Congress as a 30-year-old, the youngest woman in U.S. history.

Since then, she has been re-elected as a member of the House of Representatives and has become one of the Republican leaders in Congress. She is one of the most important figures of the party. She took the chair of Liz Cheney, a critic of Trump, who sat with Democrats on the Capitolral attack committee.