We are legal core and multidisciplinary approach consultancy firm for making a fair and distributed energy transition a reality.


Joan Herrera holds a degree in Law from the UB, with a postgraduate degree in Urban Planning Law and Environmental Law at the Pompeu Fabra University and is an associate professor of Energy Law at the Rovira i Virgili University.

Joan’s connection with the environment and energy comes from afar, when very few people addressed the climate and energy challenge. Author of different books, he has been director of the IDAE when self-consumption was opened, he has been director of Environmental Action and Energy of the Prat City Council, promoting the local energy community of the municipality. He thus adds a global and local vision both from the legal perspective and with regard to public policies.


Jorge Andrey Sterner holds a double degree in Law and Political Science from the Autonomous University of Madrid and a master’s degree in Environmental Policy and Planning from the Technical University of Berlin. He has extensive experience in the field of renewable energies and has been practicing as an expert lawyer in the electricity sector for the last decade.

Jorge is a firm defender of an authentic energy transition: participated, fair and distributed. In addition to appearances on television and the press, he has given presentations and courses on the electricity sector, PPAs, self-consumption or energy communities. In his day-to-day work, he helps his clients find and design legal solutions to fit new technologies and sustainable business models into current regulations.


Daleph is a BCorp strategy and operations consultancy, whose purpose is to promote social progress, the inclusion of people and the development of territories, seeking the highest level of operation and impact of the policies promoted by public and private actors.

With 30 years of experience and a large team of professionals, its strategic alliance with Samsø was born with the desire to amplify and provide the public sector with the best practices and experiences in sustainability and energy transition.


Cristina is a political scientist and holds has a doctorate from the University of Zaragoza, where she teaches sociology classes. Her areas of interest are sustainability and democratic quality, and especially governance for the ecological transition, issues that she works on in research centers such as Globernance, BC3 and itdUPM, or on the board of Ecodes.

She is a political analyst at El País, Cadena SER, RTVE, Infolibre and the Green European Journal, and is part of the advisory board of Llorente y Cuenca and the magazine Ethic and is part of the board of trustees of Fundesplai. Since 2018 she has participated in the Open Government Forum, since 2019 in the Development Cooperation Advisory Council. She is co-editor of the collection More Political Culture, More Democracy, in collaboration with Gedisa and chairs the “Más Democracia” Association.


Graduate and doctor in Energy Engineering from the Polytechnic University of Valencia and master’s degree in Sustainable Energy Systems from the University of Edinburgh. He is currently a doctoral assistant professor at the Universitat Politècnica de València and visiting researcher at the Delft University of Technology.
David works on the study and development of measures to facilitate a fairer energy transition. His main work and research topics focus on the development of techno-economic models to design and analyze public policies and regulation. Among others, he has worked on the study and design of electricity markets with high renewable penetration, the participation of energy communities or the active participation of demand.
Graduated in Law from the University of Barcelona, with a postgraduate degree in Tax Consulting and Management at ESADE, is an associate professor of Financial and Tax Law at the Pompeu Fabra University.
Her first approach to the electricity sector was through energy taxation, having written various publications and given conferences on the matter. She later collaborated with a business association of state-level energy companies. For more than ten years she has specialized in advising electrical energy distribution companies (DSOs).

Graduate in Spanish-French law from the Autonomous University of Barcelona and the “Panthéon-Assas” University of Paris, Master in Energy Law from the Sorbonne University and Master in Law from the Autonomous University of Barcelona;

After a period as a lawyer in an international law firm in Barcelona, Mireia has worked in a French independent producer as an in house lawyer developing wind, photovoltaic and biogas projects with a strong technical and social innovation: participative capital, energy communities, shared self-consumption, wind and photovoltaic hybridization, local valorization of energy via PPAs… She currently combines her occupation in the Metropolis of Besançon as coordinator of a program to fight against energy poverty with consulting and teaching activities;

Alejandro Martín Barraza holds a degree in Geography from the UAB, with a master’s degree in Territorial Planning and Environmental Management from the UB. He has been linked to the mobility sector and especially bicycle mobility for nine years.

Alejandro works for companies in the consulting sector, associations and public administrations, accompanying territories and companies to draft, implement and activate mobility projects that benefit models of low energy consumption and that move towards decarbonization.