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International Brotherhood of Teamsters

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Contact

Mailing Address
Attn: Sean M O'Brien, General President 25 Louisiana Avenue NWWashington, DC 20001
Phone
202-624-6800

Officers 13

  • Sean M. O'Brien

    General President

  • Daniel W. Avelyn

    Int'l Vice President/Central Region C

  • Rocco J. Calo

    International Vice President/Trade Div Dir

  • Juan C. Campos

    International Vice President/Trade Div Dir

  • Mark Davison

    International Vice President

  • Lindsay E. Dougherty

    International Vice President/Trade Div Dir

  • Richard T. Erickson

    International Vice President

  • Peter L. Finn

    International Vice President/Trade Div Dir

  • Gregory Floyd

    International Vice President/Asst Div Dir

  • Chris Griswold

    International Vice President

  • William Hamilton

    International Vice President/Trade Div Dir

  • Stan Hennessy

    International Vice President

From the 2025 LM-2 report (opens in new tab)

  • Fred Zuckerman

    General Secretary-Treasurer

From the union's website (opens in new tab)

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Federal Filing

Members Reported
1,254,623
Last Report
2025
Form
LM-2
File Number
93

Members as the union reported them on its 2025 LM-2 report. Counts may include retirees and associate members.

NLRB cases for International Brotherhood of Teamsters Elections and unfair labor practice charges on LaborLab Search

Sources 3

Listings come from public filings with the U.S. Department of Labor and from the organizations' own websites, as of the dates under Sources. Details change, and we may have them wrong. Check with the organization before you rely on them. Use Suggest an Edit above to tell us what's out of date.