Josh MacPhee is a designer, artist, and archivist. He is a founding member of the Justseeds Artists' Cooperative and the author of over half a dozen books, including An Encyclopedia of Political Record Labels. He is a coeditor of Signal: A Journal of International Political Graphics and Culture and he cofounded and helps run Interference Archive, a public collection of cultural materials produced by social movements. For over twenty years he has been organizing the Celebrate People's History poster series, a collection of over 125 posters commemorating important social justice events, groups, and individuals.