The venture capitalist and author of “Hillbilly Elegy” officially joined the crowded Republican race for the Ohio U.S. Senate seat being vacated by Rob Portman.

JD Vance, whose book was widely seen in 2016 as helping explain Republican Donald Trump's appeal to struggling white, working-class voters, made the announcement Thursday night at the steel fabricator Middletown Tube Works in his Ohio hometown.

“We have to send people to Washington who are willing to shake the system up, to fight, to fight smart and to make our country a little bit better,” Vance said.

Vance will face former state GOP chair Jane Timken, former state Treasurer Josh Mandel, and two Cleveland businesspeople, Mike Gibbons and Bernie Moreno, in next year's GOP primary. Portman, a Republican, decided earlier this year not to seek a third term, citing dismay at partisan gridlock.

While Vance, 36, hasn't run for elective office before, a political action committee formed this year to encourage his candidacy got an eyebrow-raising $10 million contribution from PayPal founder Peter Thiel. Vance had worked for the billionaire venture capitalist and entrepreneur in California.

Vance returned to his home state to live after Trump was elected in 2016, which was the first of two times the former president carried Ohio by 8 percentage points.

Vance's book, made into a movie starring Amy Adams and Glenn Close that earned the latter a Golden Globe and an Oscar nomination, tells of his hardscrabble, colorful upbringing in the struggling Ohio steel mill city of Middletown and his familial roots in Appalachian Kentucky.

He went on to serve in the Marines, including in Iraq, and to success at Ohio State University and Yale Law School, from which he graduated in 2013, and in the technology industry in Silicon Valley.

Vance said when he came back to Ohio in 2016 that he hoped to contribute to anti-addiction efforts. He and his wife, Usha Chilukuri Vance, settled in Cincinnati, where he helped found a venture capital firm.

Among Vance's close associates is Jai Chabria, a longtime strategist for former Republican Gov. John Kasich, a 2016 Trump presidential rival and detractor of the former president.

Vance and Usha, who met at Yale Law, have two children.

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Sewell reported from Cincinnati. After four decades with The Associated Press, he retired yesterday.

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This story has been corrected to show that Vance is 36, not 38.

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