Silvia Federici

Silvia Federici is a long time activist, teacher and writer. She is the author of many essays on political philosophy, feminist theory, cultural studies, and education. Her published works include Revolution at Point Zero (2012); A Thousand Flowers: Social Struggles Against Structural Adjustment in African Universities (2000, co-editor); Enduring Western Civilization: The Construction of Western Civilization and its “Others” (1994 editor); and Caliban and the Witch, which has been translated and published in Spanish, Korean, Greek and Turkish and is presently being translated into Japanese and Serbian. Federici is Emerita Professor of Political Philosophy and International Studies at Hofstra University in Hempstead, New York.

Ugo Mattei

Ugo Mattei (Italy) is a professor of law in Turin and U.C. Hastings. He is the author, with Laura Nader of Plunder, When The Rule of Law is Illegal, and most recently Bene Comuni: Un Manifesto. He has been a lead promoter of the Italian referendum against privatization of water with more than 27 million votes mobilized around the idea “water is a common.” He is the Academic Coordinator of the International University College of Turin (, whose main focus is the multidisciplinary study of the commons.

Silke Helfrich

Silke Helfrich (Germany) is an author and independent activist of the commons. She is founding member of Commons Strategies Group. She was regional representative of the Heinrich Böll Foundation in Mexico/Central America for several years, and was the editor of Wem gehört die Welt, and translator and editor of Elinor Ostrom: Was mehr wird, wenn wir teilen. She blogs at

Stefan Meretz

Stefan Meretz (Germany) is an engineer, computer scientist, and author who lives in Berlin. His publications focus on commons-based peer production and development of a free society beyond market and state. He blogs at

Martin Beckenkamp

Martin Beckenkamp (Germany) is an environmental economics psychologist. He teaches at Cologne University and the BiTS Iserlohn and does his research at the Max Planck Institute for Research on Collective Goods in Bonn, currently on a project about biodiversity under the view of a socal dilemma. He lives in Bonn.

Rob Hopkins

Rob Hopkins (Great Britain) is an “engaged optimist” and permaculturist. He was pivotal to the success of the Transition Town Movement and is author of The Transition Companion: Making Your Community More Resilient in Uncertain Times (2011). He blogs at, and has won the Schumacher Award (2008) and Observer Ethical Award (2009) for Grassroots Campaigning.

Friederike Habermann

Friederike Habermann (Germany) is an economist, historian and PhD in political science whose work focuses on the interconnectedness of power relations, transnational social movements and alternative subsistence strategies.

Andreas Weber

Andreas Weber (Germany) is a biologist, philosopher, magazine writer, and book author. His focus of thinking and writing is the relationship between human self-understanding and nature. He lives in Berlin and Varese Ligure, Italy. His activities can be followed at

Jacques Paysan

Jacques Paysan (Germany) is a neuroscientist and commons fan. Part of this story is illustrated on the blog


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