Teamsters boss Sean O'Brien endorses Sen. Markwayne Mullin for DHS chief, two years after their viral Senate hearing nearly ...

Teamsters general president Sean O'Brien—a noted Trump ally—has called on the Department Of Justice to block the $111 billion deal.

The Teamsters union’s effort to halt Sandy Springs-based UPS’ second round of driver buyout offers was rejected by a federal ...

The International Brotherhood of Teamsters has urged the Justice Department to block Paramount Skydance's $111 billion deal to acquire Warner Bros. Discovery unless Paramount agrees to "substantial ...

Teamsters President Sean O’Brien offered unexpected praise on Thursday for Sen. Markwayne Mullin’s (R-Okla.) nomination to ...

The International Brotherhood of Teamsters, the union that covers warehouse workers, drivers and a diverse collection of other laborers, has come out against Paramount Skydance's merger with Warner ...

General president Sean O’Brien and motion picture head Lindsay Dougherty say they will only back the $111 billion deal if worker protections are put in place.

The International Brotherhood of Teamsters is calling on the Justice Department to sue to block Paramount’s proposed merger with Warner Bros. Discovery unless “substantial and enforceable safeguards ...

“Kroger has declared open war on the Teamsters and the union workforce that built this company,” Erickson said. “The Teamsters are prepared to do whatever is necessary to preserve, protect and defend ...

Drivers Latest in Southern California to Unionize at Amazon LOS ANGELES, March 9, 2026 /PRNewswire/ -- Over 100 Amazon drivers at the DAX7 facility in Los Angeles marched on their bosses today, ...

O'Brien and Mullin, whom Trump nominated to replace Kristi Noem as Homeland Security secretary, had traded barbs on X before the 2023 hearing.

The multi-day action by more than 1,000 skilled trade workers at CSU campuses statewide ratchets up a dispute over whether the school system can back out of agreed upon raises.