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The International Brotherhood of Teamsters (IBT) is one of North America's largest and most diverse labor unions, representing approximately 1.3 million members in the United States, Canada, and Puerto Rico. Founded in 1903, the Teamsters advocate for workers' rights, fair wages, comprehensive benefits, and safe working conditions across a multitude of industries, including trucking and transportation, warehousing, airlines, public services, construction, manufacturing, and more. The union is actively involved in collective bargaining, organizing new members, political action, and community engagement to improve the lives of working families.
The headquarters serves as the primary administrative, strategic planning, legislative affairs, and political action center for the union. It coordinates national campaigns, supports local unions, and spearheads advocacy on behalf of its members.
Often referred to as the 'Marble Palace' due to its impressive marble facade and interiors, the building is an iconic structure in Washington D.C. It houses administrative offices, meeting facilities, an auditorium, and historical displays related to the union's history.
The work culture at the Teamsters HQ is mission-driven, focusing on labor advocacy, member representation, and social justice. Employees are typically deeply committed to the labor movement, fostering a collaborative and politically engaged environment.
Its prominent location in the nation's capital enables the Teamsters to effectively engage with lawmakers, government agencies, and other national organizations, amplifying the union's influence on labor policy and national affairs. It stands as a symbol of labor strength and solidarity.
The International Brotherhood of Teamsters is primarily active in the United States and Canada. However, it maintains a global outlook through international solidarity efforts, affiliations with global union federations like the International Transport Workers' Federation (ITF), and by advocating for fair labor standards in international trade agreements. The union supports workers' rights movements worldwide, especially in sectors where multinational corporations employ its members, to ensure fair treatment and labor practices across borders.
25 Louisiana Avenue, NW
Washington
D.C.
USA
Address: Hundreds of Local Union Halls and Joint Council Offices across North America
To provide direct representation, support, and resources to Teamster members at the grassroots level, ensuring their rights are protected and voices are heard in their workplaces and communities.
Address: 2540 Daniel-Johnson Blvd., Suite 804, Laval, Quebec H7T 2S3, Canada
To address national Canadian labor issues, engage in political action within Canada, and support the growth and strength of the Teamsters union throughout Canada.
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As of April 2025, International Brotherhood of Teamsters' leadership includes:
International Brotherhood of Teamsters has been backed by several prominent investors over the years, including:
In the past 12 months, the International Brotherhood of Teamsters announced key appointments to strengthen its leadership team, including a new Chief of Staff to the General President. The top leadership of General President Sean M. O'Brien and General Secretary-Treasurer Fred Zuckerman remains stable, having assumed office in March 2022.
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The International Brotherhood of Teamsters uses the `teamster.org` domain for its official email communications. While specific individual email patterns can vary, a common format observed for staff at the International headquarters is [first_initial][last_name]@teamster.org. For general inquiries, using official contact forms on their website or contacting specific departments or local unions directly is recommended.
[first_initial][last_name]@teamster.org
Format
jdoe@teamster.org
Example
65%
Success rate
teamster.org • June 5, 2024
The Amazon Labor Union (ALU) and the International Brotherhood of Teamsters announced an affiliation agreement. The ALU, representing 8,000 Amazon warehouse workers in Staten Island, will formally join the Teamsters, gaining access to greater resources and bargaining power. The affiliation charter is expected to be officially approved by Teamsters leadership....more
teamster.org • March 1, 2024
Teamsters members at Anheuser-Busch voted overwhelmingly to ratify a new five-year national master agreement, securing significant wage increases, improved job security, enhanced retirement benefits, and increased healthcare contributions for 5,000 workers across 12 U.S. breweries. The agreement was reached after months of negotiations, averting a potential strike....more
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