Jens Tuider, M.A., studied philosophy and specialised in animal ethics. He is currently Chief of Staff at ProVeg International and also used to work for Beyond Carnism and Animal Equality. He heads an interdisciplinary working group on animal ethics at the University of Heidelberg, Germany, and runs an online database with arguments in defence of animal rights (www.animalrights.info). Jens has published articles on animal ethics and animal rights and has given presentations and workshops at a number of international events. Having started out as a theorist, he has become increasingly interested in questions of activism and strategy directed at bringing about effective social change for animals. His current focus areas include Collective Impact and Early Intervention.