Sean O'Brien (labor leader)


Sean O'Brien is an American labor leader who currently serves as the Vice President Eastern Region of the International Brotherhood of Teamsters. O'Brien was the youngest person elected as President of Teamster Local 25, a position he still holds, and is the Secretary Treasurer of New England Joint Council 10.

Teamster activity

In 2017, O'Brien was the lead negotiator for the Teamsters with United Parcel Service during bargaining for a new national contract, covering approximately 240,000 drivers, package sorters, loaders and clerks. He was dismissed from his position as Package Division director by James P. Hoffa after reaching out to Teamster Locals and members that had opposed Hoffa's reelection as general president.

Campaign For General President of IBT

In May of 2018 O'Brien announced his candidacy to run against long standing General President James P. Hoffa of the International Brotherhood of Teamsters The Sean O'Brien and Fred Zuckerman Slate was endorsed by Teamsters for a Democratic Union in November of 2019 after a UPS contract was signed, despite a majority of members voting against the contract terms.

Local 25 Charity Work

Under O'Brien's leadership Local 25 has raised more then $5,000,000 for charitable causes.