Teamsters President Sean O’Brien isn’t shy about how he approaches his role. “When I’m their friend, I’m going to stand with you no matter what,” said O’Brien. A Boston local and president of the ...

At his Senate confirmation hearing, Sen. Markwayne Mullin, R-Okla., responded to Sen. Rand Paul's questioning about a 2023 incident between Mullin and Teamsters President Sean O'Brien. Mullin said ...

GRAND BLANC, Mich., March 31, 2026 /PRNewswire/ -- Teamsters General President Sean M. O'Brien will join striking nurses and case workers at Henry Ford Genesys Hospital on the picket line on Tuesday, ...

A video authentically shows Republican U.S. Sen. Markwayne Mullin of Oklahoma, whom U.S. President Donald Trump nominated to replace Kristi Noem as Homeland Security secretary in early March 2026, ...

The Teamsters president, Sean O’Brien, has shown an openness to former President Donald J. Trump, dividing the powerful union. Neither candidate will be the beneficiary of its considerable organizing ...

Teamsters President Sean O’Brien kicked off a 2026 reelection bid in Charlestown on Sunday — defending his record, speaking to the future and warning his opponent that Teamsters politics are a “full ...

Teamsters President Sean O’Brien appeared in person at Senator Markwayne Mullin’s confirmation hearing this week, following his earlier public endorsement of Trump’s nominee to head the Department of ...

Teamsters President Sean O’Brien offered unexpected praise on Thursday for Sen. Markwayne Mullin’s (R-Okla.) nomination to lead the Department of Homeland Security (DHS), the latest sign of ...

The MarketWatch News Department was not involved in the creation of this content. Teamsters Stand Strong in Fight for Fair Return-to-Work Agreement GRAND BLANC, Mich., March 30, 2026 /PRNewswire/ -- ...