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SEIU 509 is made up of more than 18,000 educators and human service workers throughout Massachusetts. We provide a variety of social services to elders, at-risk children and people with mental illnesses or developmental disabilities — as well as educational services in both public and private sector settings.

From mental health clinicians and social workers to early childhood educators and university lecturers, SEIU 509 members are united in our mission to raise living standards for working families while improving the quality and affordability of the services we provide.

SEIU 509 is part of the 2.1 million-member Service Employees International Union, the fastest-growing labor union in America. Our international union has a long and proud history of working people linking arms with others to spark something far greater than what was possible alone. From our birth in 1921 by flat janitors who united with the faith and immigrant rights communities to demand fair wages and working conditions, to SEIU members and Fight for $15 nonunion workers who are uniting with higher education, immigrant, environmental, racial justice and other movements today: this tradition remains vibrant in every corner of our union. Membership with SEIU means following in a great tradition of working people and families coming together to fight for economic and social justice. It also means looking towards the future.

Our vision is of a union and a society where all workers and their families live and work in dignity, where workers have a meaningful voice in decisions that affect them and have the opportunity to develop their talents and skills, and where members stand firm against the forces of discrimination and hate, against structural racism, and against the unfair employment practices of exploitative employers.

To achieve this vision, SEIU 509 strives to bargain contracts that improve wages and working conditions, build political power to ensure that workers’ voices are heard at every level of government to create economic opportunity and foster social justice, and build coalitions and act in solidarity with other organizations who share our concern for social, environmental, racial, and economic justice. We work to engage in direct action that demonstrates our power and our determination to win, and we must hold corporate entities, like universities, accountable for the common good.


Faculty Forward is an SEIU campaign that unites adjunct and contingent faculty at campuses across the country — both to address the crisis in higher education and the troubling trend toward a marginalized teaching faculty that endangers our profession. Higher education workers have been an integral part of our union. Since 2013, More than 16,000 university faculty have joined SEIU from higher education institutions such as Duke University, the University of Chicago, the University of Southern California, and Tufts University to join 120,000 members who work in higher education. Grad students, faculty and other community members united within SEIU have fueled momentum on campuses across the country, creating a movement that continues to build through actions supporting racial justice, gender equity, and Fight for $15. Millions of people have seen a raise in pay because people from all walks of life are united to demand fair pay and a union. Together, we can make sure the economy works for everyone, not just the few at the top.


Join us in support of H.2236, which if implemented, would dramatically increase pay and job security for adjunct faculty at private institutions across the state.