Calla Hummel (she/her/xy/xyr) is an assistant professor in the University of Miami’s Department of Political Science. Dr. Hummel studies when and why informal workers organize and the impacts that the world’s two billion informal workers have on local and national politics. Xyr book, Why Informal Workers Organize: Contentious Politics, Enforcement, and the State, is available from Oxford University Press. She is also tracking COVID-19 policy responses as the Bolivia team leader with the University of Miami’s Observatory for the Containment of COVID-19 in the Americas

Dr. Hummel uses statistical, ethnographic, survey, computational, and formal methods. Xy conducts research with street vendor unions in La Paz, Bolivia and São Paulo, Brazil. Brazil. Xyr research has been published in Lancet Global Health, BMJ Global Health, the British Journal of Political Science, Comparative Political Studies, Perspectives on Politics, Latin American Politics and Society, and Latin American Research Review, among others, and supported by grants from the National Science Foundation, the Department of Education, the American Political Science Association, the University of Texas at Austin, the University of Washington, and the University of Miami. She received her PhD from the Department of Government at the University of Texas at Austin.

Follow Dr. Hummel on Twitter or contact xyr at chummel at miami dot edu.