Esther Vivas is an activist in a variety of social movements in Barcelona. She has participated in anti-globalization campaigns, campaigns against external debt, in favour of food sovereignty and critical consumption, against climate change, and in various editions of the World Social Forum and the European Social Forum. She is a member of the Centre for Studies on Social Movements (CEMS) at Universitat Pompeu Fabra. Publications include “En pie contra la deuda externa” (Stand Up against external debt), El Viejo Topo, 2008, (as co-coordinator) of books in Spanish “Supermarkets, No Thanks” and “Where is Fair Trade headed?” and others , as contributor to the CIP Americas Program www.cipamericas.org, (with Josep Maria Antentas) “Planeta indignado. Ocupando el futuro” (Ed. Sequitur). She is also a member of the editorial board of Viento Sur.