International Brotherhood of Teamsters

International Brotherhood of Teamsters
AbbreviationIBT
Formation1903 (1903)
Merger of
  • Team Drivers International Union
  • Teamsters National Union
TypeTrade union
HeadquartersWashington, D.C., U.S.
Location
    • Canada
    • United States
Membership1.3 million (2015)
General president
Sean M. O'Brien
Secretary-treasurer
Fred Zuckerman
Affiliations
Websiteteamster.org
Formerly called
International Brotherhood of Teamsters, Chauffeurs, Warehousemen and Helpers of America

The International Brotherhood of Teamsters (IBT) is a labor union in the United States and Canada. Formed in 1903 by the merger of the Team Drivers International Union and the Teamsters National Union, the union now represents a diverse membership of blue- and white-collar workers in both the public and private sectors, totalling about 1.3 million members in 2015. The union was formerly called the International Brotherhood of Teamsters, Chauffeurs, Warehousemen and Helpers of America.