Troy Jackson, a fifth-generation logger from northern Maine who previously served as the state’s Senate president, is making the case that he has the best shot at unseating Republican Sen. Susan Collins in November following Graham Platner’s exit from the race on Wednesday.
“There is a powerful movement of working class people in the state of Maine, and millions more across America who are ready to send a progressive fighter to the Senate,” Jackson wrote in a social media post on Wednesday, formally announcing his Senate run. “I’ve been fighting for that movement my whole life—and I’m sure as hell not backing down now, when this fight is needed most.”
“I’m in,” he added. “And we’re going to defeat Susan Collins. Maine deserves a senator that will fight for working families.”
Jackson, who filed federal paperwork earlier this week to explore a US Senate bid as the Maine Democratic Party scrambled to construct a process to choose Platner’s replacement ahead of the July 27 deadline, recently fell short in a highly competitive race for the Maine Democratic Party’s gubernatorial nomination.
But those who are rallying behind Jackson argue his economic populist messaging, union backing, support for Medicare for All, and appeal across broad swaths of Maine—including rural counties—make him the most sensible choice to take on Collins, who is running for a sixth term in the US Senate.
“Troy has spent his life fighting for working people,” said the national progressive advocacy group Our Revolution, which rescinded its endorsement of Platner following the sexual assault allegation against him, which he denied.
Our Revolution noted that Jackson led Sen. Bernie Sanders’ (I-Vt.) presidential campaigns in Maine in both 2016 and 2020. Jackson also appeared alongside Sanders and Platner at “Fighting Oligarchy” rallies during his gubernatorial bid.
“Long before this Senate seat became available, Troy had built a record of standing with workers, unions, and rural communities across Maine,” said Our Revolution, which announced Wednesday that it is mobilizing volunteers across Maine to “ensure voters are represented by a candidate who reflects the agenda they overwhelmingly supported” during the Democratic primary process—a contest that Platner won handily.
I’ll be a vote for Medicare For All in the U.S. Senate.
Susan Collins, on the other hand, recently helped advance $990 billion in Medicaid cuts so the richest Americans could get another tax break.
We may both be from Aroostook County, but we’re not the same.
— Troy Jackson (@TroyJackson207) July 9, 2026
Jackson is one of several Democrats jumping at the opportunity to challenge Collins, who has enabled President Donald Trump’s destructive legislative agenda and helped pave the way for the gutting of reproductive rights nationwide.
Nirav Shah, former director of the Maine Center for Disease Control and Prevention, formally announced on Thursday that he is launching a bid to replace Platner. Shenna Bellows, Maine’s secretary of state, said Tuesday that she is “seriously considering” entering the Senate race. (Like Jackson, both Shah and Bellows unsuccessfully ran for Maine’s Democratic gubernatorial nomination.)
A flash poll commissioned by the Platner campaign earlier this week found that Jackson performed better than Shah and Bellows in hypothetical match-ups against Collins.
Christine Kirby, a spokeswoman for Jackson, told Drop Site on Tuesday that since the sexual assault allegation against Platner was made public, Jackson’s team has received a torrent of calls and messages urging him to run for the Senate nomination.
“He is clearly the strongest option to replace Graham Platner and take on Susan Collins in the general election,” said Kirby. “This movement is greater than any one person, it’s about a coalition of Maine people fighting for a future that doesn’t have to belong only to the wealthy and powerful. And Troy is up for the fight.”
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