Meet Leader John Thune’s all-star cabinet as Republicans take over Senate majority

FIRST ON FOX: Senate Majority Leader John Thune, R-S.D., has selected four top Republican allies to be part of his unofficial cabinet as he looks to make his own impression on the upper chamber after taking the mantle from longtime GOP Leader Mitch McConnell, R-Ky., 

The new Republican leader has tapped Sens. Marsha Blackburn, R-Tenn., Steve Daines, R-Mont., Markwayne Mullin, R-Okla., and John Cornyn, R-Texas, to advise him in his new role and sit in on key leadership meetings. 

McConnell had his own group of personally selected senators that joined him for meetings. At times, that included Sens. Tom Cotton, R-Ark., Katie Britt, R-Ala., Thom Tillis, R-N.C., Roger Wicker, R-Miss., and Deb Fischer, R-Neb.

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Weekly leadership meetings are also routinely attended by elected leaders in the conference, such as Senate President Pro-Tempore Chuck Grassley, R-Iowa, Senate Republican Whip John Barrasso, R-Wyo., Senate Republican Conference Chairman Cotton, Senate Republican Policy Committee Chairwoman Shelley Moore Capito, R-W.Va., Republican Conference Vice Chair James Lankford, R-Okla., and National Republican Senatorial Committee (NRSC) Chairman Tim Scott, R-S.C.

Each of the members of Thune’s new informal team brings their own style and priorities along with them. 

Blackburn brings with her the advantage of her ties to President-elect Trump and his sphere of influence. The Tennessee Republican has her finger on the pulse of the “Make America Great Again” movement and, in this capacity, can help keep the leadership team as plugged in as possible. 

She can also attempt to bridge any gaps between the group of conservative Republicans that clashed with McConnell, namely Sens. Rick Scott, R-Fla., and Mike Lee, R-Utah, as Blackburn has aligned with them on several issues. 

In a statement, Blackburn told Fox News Digital, “My role helping Leader Thune will be to move forward the President’s nominees and ensure we are championing the President’s agenda in the Senate to Make America Great Again.” 

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Fresh off of a stint as chairman of the NRSC, during which he helped elect a Republican Senate majority, Daines will also bring to the table his great relationship with Trump and the team he’s bringing with him to the White House. The senator also sits on the Finance Committee, which will be front and center during the tax debate that Trump has made one of his top priorities. Republicans are planning to extend key provisions from the 2017 Tax Cuts and Jobs Act as they are set to expire this year. Daines will be a key point persoon between the committee and leadership as they work to accomplish Trump’s agenda. 

Also sitting on the Senate Foreign Relations Committee (SFRC), the Montana Republican brings key knowledge of the intersection of policy and politics, as Trump and the GOP set out to accomplish as much as they can in the first 100 days of his administration – including action on several global issues. 

“Senate Republicans are ready to get to work enacting President Trump’s agenda of a secure border, lower taxes, safe cities, lower prices, affordable gas, an end to reckless spending and strong national security. I look forward to working with Leader Thune and the rest of our colleagues to deliver these wins to the American people,” Daines said in a statement to Fox News Digital.

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Mullin has made himself invaluable to his colleagues as a key link between Trump, the House of Representatives and the Senate. He was the first senator to publicly endorse Thune for the leader role, and he previously was part of his deputy whip team. His solid relationship with Trump is expected to help guide relations between the chamber and the incoming president. Notably, Mullin was one of Trump’s 2024 campaign surrogates, traveling with both the president-elect and Vice President-elect JD Vance, as well as assisting Republican Senate candidates across the country. 

“It’s an honor to be included at Senator Thune’s leadership table,” Mullin told Fox News Digital in a statement. “From border security and slashing regulations to funding our military and extending tax relief, Leader Thune is the right person to lead the Senate effort to implement President Donald J. Trump’s America First agenda. I’m proud to be in this fight with him. As the Leader often says, ‘if someone else is in a better position to take the shot, you always make the extra pass.’ That’s how we intend to govern this majority. It’s all hands on deck to deliver for the American people, and I’m grateful for the opportunity to serve.”

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As a 22-year veteran senator and a former leadership member, Cornyn brings crucial experience to Thune’s leadership team. The Texas senator is a member of the all-important budget committee and is expected to make passing a budget and reining in federal spending one of his priorities in this capacity. He’s also a member of the Department of Government Efficiency (DOGE) caucus, which will help facilitate the new advisory board announced by Trump. DOGE will be led by billionaire Elon Musk and former presidential candidate Vivek Ramaswamy. Now at the helm of the Senate, House and presidency, Republicans have their best shot in years to dictate spending levels. 

In recent floor remarks, Cornyn outlined his priorities for this Congress. “We have an opportunity to pass huge wins for President Trump and more specifically, for the American people, and that comes first through the budget reconciliation process. This is a once-in-a-generation opportunity,” he emphasized. 

“We can’t let this go to waste by not taking this occasion to finally address our skyrocketing debt,” he said. 

Cornyn concluded, “We have a lot of work to do, but this is an incredible opportunity that I trust we will not squander.”