A GOP Lawmaker’s unexpected resignation has jolted the Republican Party, loosening the Republican Party’s grip on the House. Why would a battle-tested conservative leave at such a critical time? The move raises questions about the GOP’s future and its razor-thin majority.

Summary

• GOP Rep. resigned from Congress, effective July 20, 2025.
• Lawmaker’s departure narrows GOP House majority to 219-212.
• He cited a private-sector role to counter the Chinese Communist Party.
• The One Big Beautiful Bill Act marked Green’s final legislative win.
• A special election will determine Tennessee’s 7th District successor.

A Conservative Anchor Departs

On July 4, 2025, Rep. Mark Green, a retired U.S. Army officer and House Homeland Security Committee chairman, announced he would step down from Congress, effective July 20. 

Representing Tennessee’s 7th District since 2019, Green has been a steadfast advocate for border security, veterans’ rights, and conservative values. His exit leaves House Speaker Mike Johnson navigating a fragile 219-212 majority as fiscal battles approach.

A Record of Results

Green’s tenure was defined by his commitment to his constituents and GOP priorities. He was instrumental in passing the One Big Beautiful Bill Act, a major tax and spending package tied to President Donald Trump’s agenda. 

“It’s with a heavy heart that I say farewell,” Green posted on X. “To my constituents across Tennessee’s 7th District—thank you. The trust you put in me is humbling. I will look back fondly on my years of serving as your voice in Washington.”

A New Mission

Green’s decision hinges on a private-sector opportunity aimed at countering the Chinese Communist Party’s influence. 

“I will be doing something specifically designed to help America compete,” he said, offering few details but emphasizing national security. 

His pivot signals a shift from legislative to strategic efforts against global adversaries, leaving colleagues to reflect on his impact.

GOP Faces Challenges Ahead

With Green’s departure, Republicans face a tightened majority and looming fiscal deadlines. Tennessee Gov. Bill Lee will schedule a special election, likely in late October or mid-November, to fill the safe Republican seat.

“The GOP will rally, but this is a tough blow,” said House Majority Leader Steve Scalise. “Mark’s leadership will be missed, but we’ll hold the line.” 

As the party adapts, Green’s principled service leaves a lasting mark, with Tennessee’s 7th District poised to elect a new conservative voice.