Who we are

Commons Network is based Berlin, Brussels, Amsterdam and Valencia. The Commons Network team consists of directors and co-founders Sophie Bloemen and David Hammerstein, the project managers, fellows, an advisory board and a Supervisory Board. We work in collaboration with a broad network of experts, activists and partner organisations throughout Europe and globally.


Sophie Bloemen


Sophie Bloemen is based in Berlin where she co-directs Commons Network. She writes and speaks on the sharing of knowledge, the commons and new narratives for Europe. She has worked as an advocate on topics like health, trade and innovation, and cross border cultural dialogue. She is currently engaged in a number of projects and political processes that explore new, creative institutions and collaborative models. Sophie started her career at the European Commission and she later worked as an advocate for Health Action International and other non-profits. During her three years in San Francisco she explored and wrote about social innovative initiatives in the Bay Area and discovered the commons. Sophie helped kick-start several civil society networks and coalitions such as the European Alliance on Affordable Medicines and R&D and the European Commons Assembly.
David Hammerstein


David Hammerstein is a consumer advocate and former Member of the European Parliament. He has a background in sociology and specializes in intellectual property, Internet related policies and environmental issues.

Project Managers

Thomas de Groot

Urban Policies and European Campaigns

Thomas is in charge of campaigns and urban policies.
Jens Kimmel

Urban Commons

Jens is based in Amsterdam where he conducts a study on urban commons projects. He has a background in Political Science. Jens is also founder and organizer of Op de Stip, a series of alternative political exchanges between citizens of Amsterdam.
Martin Bogdan

Brussels Affairs

Martin is based in Brussels. His background is in cultural anthropology, information science and European studies. Before joining us, he worked for NGOs in culture and education. He supports open access to knowledge as a tool for economic and social emancipation.

Supervisory Board

Oliver Moldenhauer

Board member

Oliver is the founder of WeMove.EU, where he works to strengthen the solidarity between people in different European countries. Oliver has more than 25 years of experience in activism and advocacy.
David Bollier

Board member

David Bollier is an American activist and scholar who focuses on the commons as a new paradigm for re-imagining economics, politics, and culture. He pursues this work as Director of the Reinventing the Commons Program at the Schumacher Center for a New Economics (Massachusetts, US) and as co-founder of the Commons Strategies Group, an international advocacy project. His blog, Bollier.org, is a widely read source of news about the commons, and his book Think Like a Commoner: A Short Introduction to the Life of the Commons (2014), has been translated into six languages.
Spring Gombe

Board member

Spring Gombe-Götz is Policy Advocacy Manager at the Drugs for Neglected Diseases Initiative (DNDi). She has over 20 years’ experience in global health policy development and advocacy. She has worked with the leading civil society organisations advocating for public-interest driven medicines policy, including KEI, Médecins Sans Frontières Access Campaign, Health Action International and OXFAM. She has also provided consultant and advisory services to multilateral institutions, governments and foundations. Spring started her professional life working with medically underserved urban populations in the USA, tackling racial and ethnic disparities in health outcomes for cardiovascular disease and diabetes.

Commons Network Fellows

Bastian Schwarz

Public Health & Social Media Fellow

Bastian has worked within the Namibian response to HIV/AIDS, first for UNICEF and the Johns Hopkins University and then for local NGO's. Bastian is currently working as an independent consultant in Berlin and Namibia and is interested in Commons approaches in public health.
Cecile Blanchet

Renewable Energy Fellow

Cecile worked as a researcher at scientific institutes throughout Europe exploring the relationships between changes in climate and human populations. Through her involvement in political activism, Cecile has also developed a great interest for community-owned infrastructure and decentralised green-energy production.
Till Gentzsch

Urban Commons Fellow

Till works on Urban Commons for Commons Network. He studies philosophy, politics and economics at Witten University. He is a founding member of the urban artivism collective SUPER FILME.
Bruno Carballa Smichowski

Collaborative Economy & Data Fellow

Bruno is a PhD candidate in Economics at Paris XIII University. He studied at the University of Buenos Aires. His current research is about data as a commons, platform cooperativism and the market power of dominant platforms in the sharing economy.
Wouter van den Bos

Science Fellow

Wouter is a Research Scientist at the Max Planck Institute for Human Development and a member of the Center for Adaptive Rationality. He received his PhD from Leiden University and he was a postdoctoral fellow at Stanford University. His research focuses on the neural underpinnings of reward-based learning and decision-making.
Dimitar Parvanov Dimitrov

Public Domain Fellow

Dimi is a political scientist who works as Free Knowledge Ambassador of the Wikimedia Movement to the EU. He researched minority rights and hate speech before Wikipedia and the ACTA negotiations sparked his passion for digital rights and the commons. He now promotes the structural and functional public domain.
Mai Ishikawa Sutton

Digital Commons Fellow

Mai is a writer and community organizer with the People's Open Network in California. She focuses on intersections of human rights, solidarity economics and digital commons. She was the Community Engagement Manager at Shareable and she was with the Electronic Frontier Foundation advocating for the public interest in international intellectual property policy.
Carolyn Whitten

Access to Medicines Fellow

Carolyn has a background in political science and global health. She is interested in transformative collaboration, creative activism and commons-based approaches. Her work focuses on humanitarian action and social justice. She accompanies change within civil society organisations, in particular those working towards better access to medicines and health care.

Advisory Board

Joris van Hoboken


Joris van Hoboken is a research fellow at the Information Law Institute of New York University. His research addresses law and policy in digital media and the internet. He focuses on freedom of expression and privacy and regulatory approaches to the Internet. Joris also serves as chair of the Board of Directors at Bits of Freedom, the Dutch digital civil rights movement.
Silke Helfrich


Silke studied at Karl-Marx-University in Leipzig. She worked for the Heinrich Böll Foundation before becoming an author and activist. She focuses on globalisation, gender and human rights. Silke is the author of Who Owns the World? The Rediscovery of the Commons and most recently The Wealth of the Commons beyond Market and State, with David Bollier.
James Love


James Love is Director of Knowledge Ecology International. He advises UN agencies, national governments and public health NGOs. In 2006, KEI received the MacArthur Award for Creative and Effective Institutions and in 2013, James received the EFF Pioneer Award, to recognize leaders for freedom and innovation in the realm of information technology.
Judit Rius Sanjuan

Board member

Judit currently works for the United Nations Development Programma. Judit also worked at Knowledge Ecology International, providing technical assistance to developing countries on intellectual property law and in negotiations at the World Health Organization, at Medicins Sans Frontieres and the World Intellectual Property Organization.
K. M. Gopakumar


K M Gopakumar is legal advisor and senior researcher of Third World Network. TWN carries out policy research and advocacy on issues around trade and development, with a focus on third world countries. TWN aims to strengthen the ability of governments and communities to make trade and globalisation work for development.

Commons Network Partners

P2P Foundation

Main Collaborating Partner

The P2P Foundation is a non-profit organization and global network dedicated to advocacy and research of commons-oriented peer to peer (P2P) dynamics in society.
European Alternatives


European Alternatives is a transnational civil society organisation and citizen movement promoting democracy, equality, and culture beyond the nation state.
Knowledge Ecology International


Knowledge Ecology International searches for new solutions, to the management of knowledge resources. KEI is focused on social justice, particularly for low-income persons and marginalized groups.
Health Action International


Health Action International envisions a world with safe, effective and affordable medicines for everyone, everywhere. HAI conducts research and advocacy to advance policies that enable access to medicines and rational medicines use for all people around the world.
Public Citizen


Public Citizen serves as 'the citizens' lobbyist'. They challenge abusive practices of pharmaceutical, nuclear and automobile industries and many others. They fight against undemocratic trade agreements that advance the interests of mega-corporations at the expense of citizens worldwide.
European Alliance for Responsible R&D and Affordable Medicines


The European Alliance for Responsible R&D and Affordable Medicines is a civil society coalition of consumer, patient and public health organisations calling for the creation of an R&D system that is driven by public health needs and delivers medicines that are universally accessible and affordable.

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