From driving the first official route out of UPS South Boston to representing service and industrial Teamsters across the local's book — Mike has lived every side of this union.
Mike O'Brien's Teamster story starts behind the wheel. When the UPS building in South Boston opened, he was the first driver to officially go on the road out of it — and he was still there decades later when General President O'Brien chose that same building to kick off the national UPS contract campaign. When the facility closed in 2025, nobody felt it more personally.
That rank-and-file education is what he brings to every unit he serves as a Field Representative. Mike was part of the team behind the Armstrong Ambulance first contract — the first ambulance agreement in Local 25 history, ratified by a 97% margin — turning an organizing win into real wages, Teamster health and welfare, and written protections those workers never had.
His book runs through the service and industrial heart of the local: a strong agreement for the members at St. Michael's, Century Linen members moving to new Allegiant Care health insurance, growth at Crown Linen, and St. Elizabeth's security guards and Cummins members preparing for their next contracts. Steady work, unit by unit, cycle by cycle.
And like the local he serves, Mike shows up between negotiations too — at the scholarship presentations, the seminars, and the member events that make Local 25 more than a bargaining agent. It's a family, and he's been in it from the first route.
What the work looks like when the hall works for the members.
Part of the team that delivered the first ambulance contract in Local 25 history, ratified by a 97% margin — wage increases, Teamster health and welfare, and written protections for workers who respond to emergencies every day.
Strong agreements across service units — St. Michael's members' contract, Century Linen's move to Allegiant Care health insurance, and new growth at Crown Linen.
St. Elizabeth's security guards and Cummins members prepared for upcoming negotiations — groundwork laid before the first session, the Local 25 way.
The first driver to officially go on the road when UPS South Boston opened — a working knowledge of package, feeder, and warehouse life that no classroom teaches.
A regular presence at the local's scholarship presentations and member events — because representation doesn't end when negotiations do.
If you work in one of these units and have a question or workplace issue, this page is for you.
St. Michael's, Century Linen, Crown Linen, and service shops across the local's book.
Including St. Elizabeth's security guards and Cummins members — contract enforcement and upcoming negotiations.
Part of the Armstrong Ambulance first-contract team — representation for the members who answer the call.
Contract question, workplace issue, or something you want on my radar before the next barn visit — send it here and I'll follow up.