Louis Esparza is co-author of Human Rights: A Primer (2nd ed) with Judith Blau and co-editor of Human Rights Of, By, and For the People with Keri Iyall Smith and Judith Blau. He is Assistant Professor of Sociology at California State University at Los Angeles. His work focuses on grassroots social movements, their organizations and their strategies. His articles are published in Contemporary Justice Review, Societies Without Borders, Environment & Society, and elsewhere. Louis has delivered talks across North and South America, Europe, and Japan; He has been teaching undergraduates for ten years. Louis has held research or teaching appointments at Sophia University in Tokyo, the Luis Angel Arango Library in Bogota, and the Josef Korbel School of International Studies. He sits on the Executive Board of the Society for the Study of Social Problems.