Updated

Rep. Elise Stefanik, R-N.Y., has pledged to use her role as House Republican Conference chair to guide the GOP back to a congressional majority.

The conference elected her as chairwoman May 14, elevating the lawmaker to replace Rep. Liz Cheney of Wyoming.

"This will not be an easy job, but I know we are stronger when united as a team," Stefanik told colleagues in her acceptance speech.

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She's criticized President Biden's policies made within his first 100 days in office as "the most significant Far-Left Socialist dismantling of America by any President or Congress in our Nation’s history."

Rep. Elise Stefanik, R-N.Y., speaking to reporters at the Capitol on May 14. (AP Photo/J. Scott Applewhite)

Former President Trump had endorsed Stefanik for the position earlier in the week. Tension had been building between Cheney and the rest of the party over its support for Trump and reliance on him in the future.

Stefanik, 36, was the youngest woman ever elected to Congress in 2014 at age 30 – before Rep. Alexandria Ocasio-Cortez was elected in 2018 at the age of 29.

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The congresswoman representing New York's 21st District has served on the House Armed Services Committee, the Committee on Education and Labor and the House Permanent Select Committee on Intelligence.

Before being elected, Stefanik served on former President George W. Bush's Domestic Policy Council Staff and worked in the Chief of Staff's office between 2006 and 2009.

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Stefanik went to the Albany Academy for Girls before attending Harvard University and graduating in 2006 with a degree in government. She was the first member of her immediate family to graduate from college.

The congresswoman married Matthew Manda in 2017.

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She's cheered some of her most notable accomplishments as a New York congresswoman as saving Fort Drum from up to 16,000 military personnel cuts; authoring the Be Open Act of 2015; authoring the Flexible Pell Grant for 21st Century Students Act and helping pass the Bipartisan Budget Act.

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Stefanik says she's worked to promote policies that create jobs and promote small businesses in New York, loosen or cut restrictive government regulations, support farmers and cut education costs, among other things.

Fox News' Brooke Singman contributed to this report.