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President Sean M. O’Brien

Sean M. O’Brien
President / Principal Officer, Teamsters Local 25
Secretary Treasurer/Principal Executive Officer Teamsters Joint Council 10 New England
Eastern Region Vice-President, International Brotherhood of Teamsters

Sean M. O’Brien is a fourth generation Teamster, initiated in 1991 working in the Rigging Industry. Since 1999, Sean has held nearly all positions for Teamsters Local 25. In 2006, Sean became the youngest President in Local 25’s long history. Teamsters Local 25 represents more than 12,000 members and their families in Greater Boston. In 2011, Sean was elected Eastern Region International Vice President of the International Brotherhood of Teamsters. Sean also serves as Secretary Treasurer/Principal Executive Officer of New England Teamsters Joint Council 10 representing 45,000 Teamsters in six New England States.

International Brotherhood of Teamsters Eastern Region Vice President O’Brien, has worked tirelessly to increase the membership of the Teamsters Union both locally and nationally and has been successful in organizing various diverse industries. Sean serves as a Trustee on both the New England Teamsters Pension Plan and the Local 25 Health Insurance Plan where he has skillfully negotiated growth of both plans over the last seven years. Sean was appointed by the Governor of Massachusetts to the Board of Directors for the Massachusetts Port Authority in 2012.

Sean M. O’Brien, serves on the Board of Directors for Autism Speaks and since 2007, Teamsters Local 25 has been the premier fundraiser for Autism Speaks raising millions of dollars. Local 25 has lobbied the Massachusetts Legislature on behalf of families affected by autism and worked to pass insurance reform that requires insurers to pay for autism-related expenses. Teamsters Local 25 hosts and supports an annual Toy Drive, donating truckloads of toys and providing financial support at Christmas for the less fortunate in the Greater Boston area.

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