Alex Han has organized with unions, in the community, and in progressive politics for two decades. As a vice president of SEIU (Service Employees International Union) Healthcare Illinois and Indiana, he helped tens of thousands of home-based healthcare and childcare workers unionize. He helped found United Working Families, an independent political organization that has elected movement leaders to city, county, and state offices. In 2020 he served on the national political team for the Bernie Sanders campaign. He has also worked with labor and community organizations around the country as part of the Bargaining for the Common Good network, and is a member of the Convergence advisory board.