Teamsters president Sean O'Brien claimed that Kamala Harris alienated union leadership by demanding an endorsement and ...

After years of loyally backing Democrats, Teamsters General President Sean O'Brien is diversifying the union's PAC to support Republicans, too.

Teamsters Union president Sean O'Brien explained why Kamala Harris was the first Democratic presidential candidate the union ...

Sean O'Brien, the Teamsters president, revealed Sen. Bernie Sanders no longer speaks to him after he addressed the Republican ...

Teamsters president Sean O'Brien shared an anecdote about then-Vice President Harris demanding his union endorse her campaign ...

Sunday’s 93% vote in favor of continuing their work stoppage shows union support for the nearly six-week old walkout has ...

Teamsters Union President Sean O’Brien explained on “Honestly with Bari Weiss” Tuesday that he believes the Democratic Party ...

The union's leaders met with Trump in January. Teamsters leaders commended Harris' support of the pro-union PRO Act in Congress and her opposition to "right-to-work" laws that undermine unions.

Teamsters Local 320 provided the University of Minnesota system with notice of an intent to strike on Thursday, August 7.

One Teamsters member, Christina Rohrer, said it’s time for the union to break with the past. “Well Sean, I think you need to endorse a Republican for once,” she posted on Facebook.

Wednesday marks 50 years since Teamsters union boss Jimmy Hoffa disappeared from a restaurant about 10 miles north of Detroit ...

Why experts say a strike is unlikely Negotiations have been tense between the Teamsters and UPS, with the union declaring a nationwide strike is "imminent" on June 28. That same day, Teamsters ...