have donated 92% of their $24,418,589 in contributions since 1990 to the Democratic Party. Though the union opposed former President George W. Bush's agenda to open US highways to Mexican truckers, it did previously support Bush's platform for oil drilling in the Arctic National Wildlife Refuge. The Teamsters Union endorsed Barack Obama for the 2008 Democratic Nomination on February 20, 2008. The Teamsters Union also makes an annual contribution to Friends of Sinn Féin—the US fundraising arm of Irish republican party Sinn Féin. Organization General Presidents 1903: Cornelius Shea 1907: Daniel J. Tobin 1952: Dave Beck 1957: James R. Hoffa 1971: Frank Fitzsimmons 1981: George Mock (interim) 1981: Roy Williams 1983: Jackie Presser 1988: Weldon Mathis (interim) 1989: William J. McCarthy 1991: Ron Carey 1997: Tom Sever (interim) 1998: James P. Hoffa 2022: Sean O'Brien General Secretary-Treasurers 1904: Edward L. Turley 1905: Thomas Hughes 1941: John M. Gillespie 1947: John F. English 1969: Thomas Flynn 1972: Murray W. Miller 1975: Raymond Schoessling 1985: Weldon Mathis 1991: Tom Sever 1999: Tom Keegel 2012: Ken Hall 2022: Fred Zuckerman Membership 1933: 75,000 (Depression-era low) 1935: 146,000 1949: 1 million 1957: 1.5 million 1976: 2 million 1987: 1 million 2003: 1.7 million 2008: 1.4 million 2014: 1.2 million 2019: 1.4 million Divisions and conferences Brewery and Soft Drink Conference formerly the International Union of United Brewery, Flour, Cereal, Soft Drink and Distillery Workers Graphic Communications Conference Newspaper, Magazine and Electronic Media Workers Division including some Mailers locals from the International Typographical Union Rail Conference Brotherhood of Locomotive Engineers and Trainmen Brotherhood of Maintenance of Way Employes Archival collections International Brotherhood of Teamsters Labor History Research Center. At The George Washington University. International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America records. 1950–1970. 2.83 cubic feet (4 boxes). At the Labor Archives of Washington, University of Washington Libraries Special Collections. Samuel B. Bassett Papers. 1926–1965. 3' linear. At the Labor Archives of Washington, University of Washington Libraries Special Collections. Brotherhood of Maintenance of Way Employees Records. 1899–2004. 360 linear feet (353 storage boxes, 2 manuscript boxes, 5 oversize). At the Walter P. Reuther Library. Jimmy Hoffa FBI Files. 1964–2002. 7 linear feet (7 storage boxes). At the Walter P. Reuther Library. See also 2009–10 Federal Aviation Administration Reauthorization Act dispute Teamsters Canada Notes References Bibliography "AFL Teamsters Begin Drastic Revamping." The New York Times. January 18, 1949. Allen, Joe, "The Package King: A