A second-generation Cuban American elected as part of the Tea Party movement, Rubio contended for the 2016 presidential race and strongly criticized Trump before supporting him. Seen as a more traditional Republican, he has previously led efforts at bipartisan immigration reform and supports interventionist foreign policy.
Read more: Senate confirms Rubio as secretary of state
The U.S. Department of State is responsible for foreign policy issues, including negotiating treaties and agreements. The State Department maintains diplomatic relations with other countries, overseeing embassies, consulates and diplomatic missions. It was created in 1789 and was the first executive department established in the United States.
Having built his wealth as a hedge fund manager, Bessent was a major donor for both Democratic and Republican campaigns. If confirmed, he would become the highest-ranking openly LGBTQ person to hold a U.S. government position.
Read more: Scott Bessent wins Senate confirmation as US Treasury secretary
The U.S. Department of the Treasury oversees all federal financial operations from supervising and licensing banks to managing government debt, as well as advising on fiscal policy. The Treasury includes the U.S. Mint and the Bureau of Engraving and Printing, which issues currency, and the Internal Revenue Service, which collects and enforces taxes.
A combat veteran, Hegseth has advocated for a more muscular military policy and denounced current Army leadership for its diversity initiatives. He has also criticized U.S. assistance to Ukraine and funding to NATO and the United Nations, while pledging continued support for Israel.
Read more: US Senate approves Hegseth as defense secretary by 51-50 vote
The U.S. Department of Defense provides the country’s military forces, and its head acts as second in command of the U.S. military after the president. Serving the same functions as a defense minister in other countries, the secretary of defense has the authority to set military policy, communicate with congressional committees and issue medals and awards.
As South Dakota’s first female governor, Noem pursued conservative policies such as banning abortion, abolishing gun restrictions and deploying the National Guard to the U.S.-Mexio border.
Read more: US Senate confirms Noem as homeland security secretary
The U.S. Department of Homeland Security is responsible for public security, much like the Interior or Home ministries of other countries. Its stated mission involves anti-terrorism, border security, immigration and customs, cybersecurity, and disaster prevention and management.
One of the most conservative members of Congress, Ratcliffe chaired multiple committees and opposed Trump’s impeachment. After being named director of national intelligence, he often contradicted the findings of other intelligence officials and was accused of politicizing the role in order to help the president.
Read more: Senate confirms Trump’s choice for CIA director
The Central Intelligence Agency is a civilian foreign intelligence service of the U.S. federal government tasked with gathering, processing and analyzing national security information from around the world. The CIA has no law enforcement function and is mainly focused on overseas intelligence gathering, with only limited domestic collection.
A longtime environmental activist and a member of one of America’s most prominent political families, Kennedy sought the Democratic nomination and subsequently ran as an independent before dropping out and endorsing Trump. He has criticized what he views as overreach by federal regulatory agencies, as well as U.S. military aid to Ukraine, while maintaining strong support for Israel. | Learn more.
The U.S. Department of Health and Human Services is tasked with protecting public health and has 13 operating divisions, including the Food and Drug Administration, National Institutes of Health, and the Centers for Medicare and Medicaid Services.
Kennedy has a long history of promoting conspiracy theories and misinformation, including anti-vaccine advocacy, HIV denialism and allegations that the 2004 election was stolen by George W. Bush.
An Iraq War veteran, Gabbard was one of Joe Biden’s rivals in the 2020 Democratic primary, running on a platform that combined support for Israel and the Global War on Terrorism with anti-interventionist foreign policy on Ukraine and Syria. She has since moved right on social issues and supported Trump’s reelection bid, joining the Republican Party in October 2024. | Read more.
The director of national intelligence serves as the president’s principal adviser on intelligence matters, overseeing coordination and collection of information between the nation’s 18 intelligence agencies.
In arguing against U.S. military intervention in Ukraine and Syria, Gabbard has made statements in support of Russian President Vladimir Putin and former Syrian President Bashar al-Assad, meeting with the latter during a trip to Syria in 2017. She has also come under scrutiny for her perceived closeness to Indian Prime Minister Narenda Modi and his Hindu nationalist Bharatiya Janata Party.
Intially a moderate Republican, Stefanik emerged as a supporter of Trump, opposing his impeachment and backing his claims that the 2020 election was stolen from him. She later gained national attention for her backing of Israel and aggressive questioning of university presidents over the question of antisemitism on college and university campuses. | Read more.
The permanent representative of the United States of America to the United Nations represents the United States on the U.N. Security Council and during almost all plenary meetings of the General Assembly, except when a more senior U.S. officer, such as the secretary of state or the president, is present.
A look at the people President-elect Donald Trump says he intends to nominate for key positions in his administration. | Explore the full list