Sean M. O'Brien (born 1971 or 1972) [1] is an American labor leader who is the General President of the International Brotherhood of Teamsters. [2] He formerly served as the Vice President Eastern Region of the International Brotherhood of Teamsters (IBT).

Jan 14, 2025 · The Teamsters had already left when Hoffa exited union office and was replaced by the combative, mercurial, and politically savvy Sean O’Brien. This week, the SEIU, now under April Verrett, threw in the towel and rejoined the AFL-CIO as the union federation prepares an all-out offensive against the second Trump administration’s restrictive ...

Jul 17, 2024 · It was a remarkable moment Monday night at the Republican National Convention, surely creating some amount of confusion among longtime Republicans, when Sean O’Brien, president of the...

Jul 16, 2024 · O’Brien—a combative former Boston truck driver who became Teamsters president in 2022—certainly knows that during his four years as U.S. president, Trump and his administration repeatedly...

Feb 20, 2025 · International Brotherhood of Teamsters president Sean O'Brien faced backlash from labor movement voices on Wednesday for expressing his support for U.S. President Donald Trump's pick to lead the Department of Labor and for appearing to take a softer stance on so-called "right-to-work" laws—policies generally decried by organized labor because ...

Jul 16, 2024 · Teamsters union president Sean O’Brien delivered a fiery yet centrist speech on Monday night at the Republican National Convention, as he advocated for a bipartisan coalition to support...

Sean M. O’Brien is a fourth generation Teamster and the General President of the International Brotherhood of Teamsters. He joined Teamsters Local 25 in Charlestown, Mass. at the age of 18 working in the rigging industry as a heavy-equipment driver in the Greater Boston area.

Jul 15, 2024 · Sean O’Brien will become the first International Brotherhood of Teamsters president to address a party known for pushing anti-union legislation.

Jul 16, 2024 · Teamsters union President Sean O’Brien lashed out at big corporations, called former President Donald Trump a “tough SOB” and said his worker’s group is “not beholden to any party” in an...

Mar 7, 2025 · If anyone has ever looked the part of a blue-collar union boss, it’s O’Brien, whose family ties to the union run as thick as his Boston accent.