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Kati Sipp


Kati Sipp has been an organizer for over 25 years, and has developed a practice that is deeply rooted in the idea that the fight for a better world must be led by people organizing in their own communities to build power and elect leaders that prioritize the needs of people, not profit. 


She is the editor of the blog Hack the Union, which focuses on the intersections of work, organizing and technology.

For two years, she served as the Managing Director for the National Guestworker Alliance. Prior to her work with NGA, she founded the Pennsylvania affiliate of Working Families, and spent nine years at SEIU Healthcare Pennsylvania, where she served as the Political Director and Executive Vice President.

Kati began working with SEIU in California in 1997, where she was an internal organizer, working with classified school employees. She left California in 1999 to move back to the East Coast, and began work for the Philadelphia Unemployment Project, where she organized mothers who were affected by changes in the state’s welfare policy. After leaving PUP, she spent time as the director of the Jobs with Justice affiliate in Philadelphia, before going back to SEIU.

Kati is the proud mother of Alina and Isaac. She holds a Bachelor of Fine Arts degree from Mason Gross School of the Arts, Rutgers University. Her cats have occasionally gone viral, at the @classwarkitteh.

Photo credit: JJ Tiziou Photography

Nafisah has worked with the domestic trade union movement since 2009. She's hopped all over the country for the AFL-CIO's Center for Strategic Research, built campaigns with SEIU and kicked butt in the public sector with AFSCME. She's even served on a State Department delegation to Bangladesh to combat human trafficking. In the last few years, Nafisah has been devoting her time to experimenting with building new models of worker power. She most recently worked for the National Guestworker Alliance, where she and Kati realized they're an unstoppable team. 

Nafisah holds degrees from the University of Michigan and the University of Chicago (don't ask about the latter).