Josh MacPhee is a designer, artist, and archivist. He is a founding member of both the Justseeds Artists' Cooperative and Interference Archive, a public collection of cultural materials produced by social movements based in Brooklyn, New York. MacPhee is the author and editor of numerous publications, including Signs of Change: Social Movement Cultures 1960s to Now and Signal: A Journal of International Political Graphics and Culture. He has organized the Celebrate People's History poster series since 1998 and has been designing book covers for many publishers for the past decade. His most recent book is An Encyclopedia of Political Record Labels, a compendium of information about political music and radical cultural production.