Elise Stefanik will defend Trump pulling out of the World Health Organization and Paris climate agreement at the United Nations if the Senate confirms her.

President-elect Donald Trump has chosen Rep. Elise Stefanik (R-N.Y.) to serve as U.S. ambassador to the United Nations. NBC News campaign embed Alex Tabet takes a look at Stefanik's career and how she might function in the Trump administration.

Rep. Elise Stefanik accused the United Nations of fostering "antisemitic rot," setting the stage for what could be an increasingly antagonistic relationship.

Rep. Elise Stefanik, R-N.Y., President Donald Trump’s nominee to be the United Nations Ambassador, testifies during a Senate Committee on Foreign Relations hearing for her pending confirmation on Capitol Hill, Tuesday, Jan. 21, 2025, in Washington. (AP Photo/Rod Lamkey, Jr.)

Rep. Elise Stefanik, R-N.Y., walks with her son after casting her vote for House Speaker Mike Johnson, R-La., as the House of Representatives meets to elect a speaker and convene the new 119th Congress at the Capitol in Washington, Friday, Jan. 3, 2025. (AP Photo/Jacquelyn Martin)

Elise Stefanik's hearing for the United Nations ambassador position is set for today, as is a hearing for Veterans' Affairs nominee Doug Collins.

President-elect Donald Trump's nominees for top posts in his administration are gearing up for their Senate confirmation hearings, which kick off this week.

President Donald Trump (L), First Lady Melania Trump (2nd L), Vice President J.D. Vance (2nd R) and Second Lady Usha Vance (R) attend the National Prayer Service at the Washington National Cathedral in Washington, DC, on Jan. 21, 2025.

Tuesday marks President Donald Trump's first full day in office. Keep up with the USA TODAY Network's coverage of his top priorities for Americans.

The Senate has confirmed Marco Rubio as secretary of state, giving President Donald Trump the first member of his Cabinet. The vote was unanimous.

Elise Stefanik is facing senators for her confirmation hearing to be the U.S. ambassador to the United Nations. The ideological divide between Republicans and Democrats over the utility of global organizations has taken center stage.

President Donald Trump during his impeachment proceedings and she later grilled university presidents over what she described as antisemitism.