Our Team

Our Team

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

Director, founder.

Sophie Bloemen is based in Berlin and works on the sharing of knowledge, the commons and new narratives for Europe.
David Hammerstein

Director, founder

David Hammerstein is a consumer advocate and former Member of the European Parliament for Los Verdes, part of the European Greens. He is senior advisor on intellectual property for an international consumer advocacy group. He has a background in sociology and specializes in intellectual property, Internet related policies and environmental issues.

Project Managers

Thomas de Groot

Campaigns and Community

Thomas is in charge of communications, campaigns and community building. He is spearheading the 'Commons for Europe 2019' campaign, to push commons-thinking to the forefront of the EP2019 elections. He is also working on a publication on 'political commons ideas for Europe' and he oversaw the building of our new website.
Jens Kimmel

Urban Commons Policy

Jens is based in Amsterdam where he conducts a study on urban commons projects. He has a background in Political Science, writes about (deFusie) and is generally interested in political and democratic innovations, such as the commons. Jens is also founder and organizer of Op de Stip, a series of alternative political exchanges between citizens of Amsterdam with the aim of empowering people and experimenting with new forms of democracy.

Supervisory Board

Judit Rius Sanjuan

Board Member

Judit currently works for MSF. 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 and the World Intellectual Property Organization.
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.

Commons Network Fellows

Bastian Schwarz

Public Health and Social Media Fellow

Bastian has worked as a communication specialist within the Namibian response to HIV/AIDS, first for UNICEF and the Johns Hopkins University Center for Communication Programmes then for local NGO's NawaLife Trust and Positive Vibes. 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 in several scientific institutes throughout Europe exploring the relationships between changes in climate, environment and human populations. Through her involvement in political activism, Cecile has also developed a great interest for community-owned infrastructure, in particular 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 and Data Fellow

Bruno is a PhD candidate in Economics at Paris XIII University. He studied Economics at the University of Buenos Aires (UBA). His current research is about how the management of data as a common can foster the development of platform cooperativism and reduce 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 in Berlin, as a member of the Center for Adaptive Rationality (ARC). In 2011 he received his PhD at the university of Leiden, and from 2011 to 2013 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 Bulgarian political scientist who currently works as Free Knowledge Ambassador of the Wikimedia Movement to the EU. He initiatlly researched minority rights, hate speech and discrimination issues before Wikipedia and the ACTA negotiations sparked his passion for digital rights and the commons. He is now dedicated on promoting the structural and functional public domain.
Mai Ishikawa Sutton

Digital Commons Fellow

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

Advisory Board

Joris van Hoboken


Joris van Hoboken is a research fellow at the Information Law Institute of the New York University. His research addresses law and policy in the field of digital media, electronic communications and the internet. His interests include the implications of the fundamental right to freedom of expression and privacy online as well as the transatlantic comparison of different regulatory approaches to the online environment. In addition, he serves as the chair of the Board of Directors at Bits of Freedom, the Dutch digital civil rights movement, which is part of European Digital Rights (EDRI).
Silke Helfrich


Silke studied at the Karl-Marx-University in Leipzig. She was head of the Thuringia office of the Heinrich Böll Foundation from 1996 to 1998 and head of the Mexico City office from 1999 to 2007. She focusses on globalisation, gender and human rights, currently as an independent author and activist. Silke is also 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 the Director of Knowledge Ecology International (KEI) and co-chair of the Trans-Atlantic Consumer Dialogue (TACD) Intellectual Property Policy Committee. He advises UN agencies, national governments, international organizations and public health NGOs. In 2006, Knowledge Ecology International received a MacArthur Award for Creative and Effective Institutions. In 2013, Love received the EFF Pioneer Award, to recognize leaders who extend freedom and innovation in the realm of information technology.
K. M. Gopakumar


K M Gopakumar is legal advisor and senior researcher of Third World Network. TWN is is an independent, not-for-profit organisation that 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.


P2P Foundation

Main Collaborating Partner

The P2P Foundation (officially, The Foundation for P2P Alternatives) 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 (KEI) is a not for profit non governmental organization that searches for better outcomes, including new solutions, to the management of knowledge resources. KEI is focused on social justice, particularly for the most vulnerable populations, including low-income persons and marginalized groups.
Health Action International


Health Action International envisions a world with safe, effective, affordable and quality-assured medicines for everyone, everywhere. To make this a reality, our staff and global network conduct 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 is a non-profit advocacy group that serves as 'the citizens' lobbyist'. It works from Washington DC. They have successfully challenged the abusive practices of the pharmaceutical, nuclear and automobile industries, and many others. They are leading the charge 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 gathering 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.

Visit Us

Commons Network is based in Berlin, Valencia, Amsterdam and Brussels. You’re always welcome to visit us here:


Kyffhäuserstrasse 4 – 10781 Berlin, Germany.

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Rue du Trône 51 – 1050 Ixelles, Belgium.

Get in touch