Agora Energiewende – that are particularly the members of staff in Berlin.

Being experts in energy policy, the members of the Agora team bring with them experience in politics, business, civil society, and governance. They analyse the energy policy debate, and guide the scientific work of Agora Energiewende. They also prepare the topics for the discussions of the Council of the Agora


Dr. Patrick Graichen

Executive Director
P +49 (0)30 2844901-00 

Patrick Graichen studied economics and political science, earning a Ph.D. on the topic of municipal energy policy at the Interdisciplinary Institute for Environmental Economics, University of Heidelberg. From 2001 to 2012, he worked at the Federal Ministry of Environment: first in the area of international climate policy, then from 2004 to 2006 as Personal Assistant to the Secretary of State in the ministry, and from 2007 as Head of the Unit for Energy and Climate Change Policy. During this time, he was in charge of negotiating the design of the economic instruments of the Kyoto Protocol, the Integrated Energy and Climate Programme of the Federal Government (2007), the EU’s Climate and Energy Package (2008), as well as the legislative procedures in the area of the energy management law. The Federal Environment Ministry has granted Mr Graichen leave for his work as Deputy Director at Agora Energiewende. At Agora he began working as Deputy Director. In January 2014 he succeeded Rainer Baake as Director of Agora Energiewende.

Anja Katthöfer

Assistant to the Executive Director
P +49 (0)30 2844901-00 

Born in Münster, Anja Katthöfer studied art history, political science, and history in Kiel. After earning her M.A., she spent a year in Italy on a grant from the Guggenheim Collection. In 1998, she started working as a research assistant in the Bundestag. Katthöfer went on to work for several MPs in the German Bundestag on various topics. She also has experience in IT security for consumers and IT in education, having worked on these issues for different initiatives.

Marie Haßheider

Assistant Administration, Human Resources and Finance
P +49 (0)30 2844901-11



Marie Haßheider holds a diploma in Business Administration. During her studies at Westfälische-Wilhelms-Universität Münster and University of Sydney she has specialized in the field of Organization and International Management. She has been working in different commercial departments with publishing companies. Before her university studies she has made a professional commercial training with Bertelsmann AG.

Team Germany

Dr. Barbara Praetorius

Deputy Executive Director and Head of Team Germany
P +49 (0)30 2844901-16

Before joining Agora Energiewende, Dr. Barbara Praetorius was head of the division Strategy and Key policy issues of the German Association of Local Public Utilities (VKU) from 2008 until 2014. Prior, she has been Senior Researcher and Project Lead in the division Energy, Transport, Environment at the DIW Berlin from 1992 to 2008. At the DIW, she headed an interdisciplinary team of scientists from different research institutes, with focus on the technical, organisational-political and behavioural innovations within in the power system. Dr. Barbara Praetorius has studied economics and political science and received her doctorate at the FU Berlin in 2000 with a doctoral thesis on the electricity market in South Africa. Her research has been published in the form of numerous books, papers and scientific journals both nationally and internationally, with a focus on economic and energy policy analyses, instruments, and strategies for the support of sustainable innovations and energy supply structures.

Dr. Thies F. Clausen

Senior Associate Electricity Market and Renewable Energy
P +49 (0)30 2844901-26

Before joining Agora in 2014, Dr. Thies Clausen worked as Political Director of bne, a German trade association advocating the interests of new entrants to the energy market. He also served as bne’s expert on questions of the electricity market design. From 2007 to 2010, he was teaching political science at Ludwig-Maximilians-University Munich. Dr. Thies Clausen studied in Heidelberg, Paris, Berlin and at Stanford University (USA) and earned degrees in both economics and humanities. For his work on the relation between microeconomic and philosophical conceptions of rationality he received a doctorate in political science in 2008.

Daniel Fürstenwerth

Projektleiter Optimierung des Gesamtsystems
T +49 (0)30 2844901-06 


Daniel Fürstenwerth hat von 2011 bis 2012 gemeinsam mit Stromnetzbetreibern und Umweltschutzverbänden im Rahmen der Renewables Grid Initiative für die Integration von Erneuerbaren Energien in Europa gearbeitet. Davor hat er seit 2008 bei einer Unternehmensberatung führende deutsche und europäische Unternehmen beraten, mit einem Schwerpunkt auf dem Energiesektor. Er war unter anderem Mitautor zweier Studien zur Transformation des Energiesystems bis 2050. Zwischen 2005 und 2007 hat er in Entwicklungshilfeprojekten im Energiesektor in Bangladesh und in Fidschi gearbeitet, unter anderem für die Weltbank. Daniel Fürstenwerth hat Maschinenbau und Betriebswirtschaftslehre an der RWTH Aachen, der Tsinghua University in Peking und der Universidad Politécnica de Madrid studiert und mit Auszeichnung abgeschlossen.

Alexandra Langenheld

Senior Associate Efficiency and Load Management
P +49 (0)30 2844901-08 

Alexandra Langenheld worked for the European Commission from 2006 to 2012 - initially seconded from the German Federal Environment Ministry as National Expert "Renewable Energy and Energy Efficiency" to the Directorate-General for Energy and Transport in Brussels and from 2009 as Energy Policy Analyst at the Joint Research Centre in Ispra, Italy. In these roles, she was inter alia instrumental in the design and negotiation of the EU directives on the promotion of renewable energy and energy efficiency, and advised the Member States in their National Action Plans. She was leading the coordination of international relations, especially to USA, Canada and Brazil. Between 2001 and 2006 she worked for the Department of Climate Change and Renewable Energy of the German Environment Ministry and as a research assistant at the Technical University of Berlin on renewable energies and sustainable transport.

Philipp Litz

P +49 (0)30 2844901-18

From 2013 to 2014 Philipp Litz worked as project manager in the Berlin office of Deutsche Umwelthilfe (German Environmental Aid) in the energy department. Previously, he has studied Political Science and Political Economy with focus on European Integration and sustainable environmental and climate policy in Dresden and Berlin.  In his master thesis he analyzed the conditions for successful renewable energy policy among European Union member states. During his studies he gained first work experience as project assistant at the Potsdam Institute for Climate Impact Research and Green Budget Germany.  

Dr. Gerd Rosenkranz

Senior Associate Key Issues
P +49 (0)30 2844901-17

Gerd Rosenkranz, holder of a doctorate in material science and graduate engineer in the field of metallurgy, completed his postgraduate studies in communication science and worked as a journalist for national daily and weekly newspapers for more than 20 years. From 1999 to 2004 as editor for the Berlin office of the news magazine Der Spiegel specialised in environment and energy policy. Since October 2004 he was head of the department politics and public relations with the Deutsche Umwelthilfe (German Environmental Aid) in Berlin.

Lars Waldmann

Senior Associate Grid and Storage
P +49 (0)30 2844901-03 

Since 1989, Lars Waldmann, who studied sociology and economics, has worked as a freelance journalist and consultant in the field of renewable energies in Munich. Since 2002, he has held various management positions in sales, marketing, communications, market research, and corporate strategy in the photovoltaic industry. Since 2004, he has worked in a number of working groups in industry and solar associations on the German, European, and international level. His main topics are technology, research & development, strategy and market development.

Team European Energy Cooperation

Markus Steigenberger

Deputy Executive Director and Head of European Energy Cooperation
P +49 (0)30 2844901-02 

From 2010 to 2012, Markus Steigenberger led the Germany programme of the European Climate Foundation (ECF), where he still serves as a consultant. In this role, he helped develop Agora Energiewende. From 2003 to 2010 he held various positions in German and international environmental organisations: as a consultant for international environmental policy at Friends of the Earth Germany (BUND), as a board member of the European Environmental Bureau and Friends of the Earth, as well as Head of EU Policy at the Deutscher Naturschutzring (DNR). Mr Steigenberger completed an MBA as well as an MA in economic history, political science, and law. 

Joanna Mackowiak Pandera PhD

Senior Associate European Energy Cooperation
Poland, Czech Republic
Director of Forum for Energy Analysis (Warsaw)
P +49 (0)30 2844901-12

From 2012 until 2013 Joanna Mackowiak Pandera PhD worked for Danish DONG Energy in Warsaw as the director of the renewable energy market development. In the year 2011 she was deputy minister of environment responsible for Polish presidency in the EU. From 2007 until 2010 Joanna led the cabinet of the environment minister. In the past she had various experiences with regard to international cooperation and knowledge transfer in particular between Germany and Poland. Joanna was doing research at the Potsdam University and the Adam Mickiewicz University in Poznan. She holds a PhD in environmental impact assessment. 

Dimitri Pescia

Senior Associate European Energy Cooperation
France, Belgium, Luxembourg
P +49 (0)30 2844901-13

Dimitri Pescia worked for the Department of Economic Affairs – international network of the French Treasury – at the French Embassy in Berlin from 2008 to 2013, where he monitored and analyzed German energy, environment and raw material policies. Head of section Energy and raw materials, he worked to reinforce the French-German bilateral cooperation and conducted numerous benchmark studies of the German electricity market. From 2005 to 2007 he worked as a scientific policy officer for the French Ministry of Foreign Affairs, with a focus on energy efficiency, transportation and engineering. Native French speaker, Dimitri Pescia holds a Master of Science in Physics from the Swiss Federal Institute of Technology in Lausanne (EPFL) and an Imperial College London International Diploma.

Christian Redl PhD

Senior Associate European Energy Cooperation
Austria, Netherlands, Switzerland
P +49 (0)30 2844901-14

From 2012 to 2013, Christian Redl was based in the Netherlands and worked for an international energy consulting firm focusing on electricity market design, power system planning and renewables integration. Before that, he worked as a research associate at Vienna University of Technology from 2005 to 2011 where he was dealing with energy scenarios and decarbonisation roadmaps. He assessed the role of technologies and policies to achieve long-term energy and climate targets. Furthermore, he was active in power market modelling projects. Christian studied at Vienna University of Technology and holds a PhD in energy economics.

Stephanie Ropenus, Ph.D.

Senior Associate European Energy Cooperation
Nordics, UK
P +49 (0)30 2844901-22

Stephanie Ropenus worked as a policy advisor at the German WindEnergy Association, with a special focus on grid integration, from 2010 to 2014. Her areas of expertise comprise both political and technical aspects (network codes) of grid integration as well as the revision of energy laws (in particular, Renewable Energy Act and German Energy Act). She established and coordinated the “Grids Working Group” within her association. Prior to that, Stephanie Ropenus worked as a scientist in the field of energy economics at Risø National Laboratory for Sustainable Energy, Technical University of Denmark (today DTU) in Roskilde/Denmark. Her research focused on European projects on the integration of renewable energy sources in the electricity sector. Stephanie Ropenus took her PhD in economics on "Distributed Generation in European Electricity Markets - Current Challenges and Future Opportunities". She received an M.Sc. in EU Business and Law from the Aarhus School of Business.


Christoph Podewils

Head of Communications
P +49 (0)30 2844901-10 

Christoph Podewils gained his journalistic experience in the field and also collected several years of experience in the renewable energies industry. He holds a degree in geography and volunteered at the Westfälische Nachrichten in Münster at the end of the 1990s. Subsequently he worked as a science journalist for Deutschland Radio. After having worked as a science editor at the Berliner Zeitung from 2003 to 2005 and as editor at the Renewable Energies Agency until 2007, he joined the solar energy magazine Photon. Having been the Deputy Editor at Photon until the end of 2012, he followed the rapid development of photovoltaic from close-up.

Nikola Bock

Events Manager
P +49 (0)30 2844901-07 

From 2007 to 2012, Nikola Bock, who holds a degree in communications and is a qualified hotel specialist, led the conference department at the publisher Lexxion. There, she was responsible for the organisation and marketing of specialist events on EU legal issues taking place all over Europe. From 2001 to 2007, Ms Bock studied corporate and business communications at the Berlin University of the Arts (UDK). Previous to that, the Bonn native worked in hotels in London, Switzerland, and Berlin.

Mara Marthe Kleiner

Advisor Communications
P +49 (0)30 2844901-15

Mara Marthe Kleiner has studied Poltical Science with focus on quantitative methods and international political economy in Mannheim, Bremen and Maastricht. She wrote her Master's thesis about bilateral FDI and its determinants. Along to her studies she has done communications and marketing for a research institute for production and logistics and a large chemical and biotech company and worked for the Brussels office of the Association of the German Chemical Industry.


Benjamin Kees

IT Manager
P +49 (0)30 2844901-09

Benjamin Kees studied computer science and psychology at the Humboldt University in Berlin and at the Universidad de la Habana, Cuba. His thesis focuses on the technical, ethical and social aspects of automation of video surveillance. From 2011 to 2012, he was IT Manager at the Berlin office of the Wuppertal Institute for Climate, Environment and Energy. At Agora Energiewende he plans and tames hardware and software, advises on IT matters, and ensures the digital well-being of the team.


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