Jonas joined the DIW Graduate Center in 2024 and has been a PhD candidate in the climate policy department since October 2025. He holds a B.Sc. in Business Administration and Economics and an M.Sc. in Economics from Leipzig University as well as a master's degree in Development Economics from the University Paris 1 Panthéon-Sorbonne. During his studies, he gained working experience at the...
Ph.D. Student Climate Policy; Ph.D. Student Graduate Center
Themistoklis is a PhD Candidate in the Firms and Markets Department at the Deutsches Institut für Wirtschaftsforschung Berlin (DIW Berlin). He holds an MSc in Economics, a MSc in Epidemiology and Research Methodology, as well as a BSc in Mathematics. He worked as a Mathematics teacher in Greece and as a Research Associate (Pre-doc) at DIW before the start of his PhD. His research is primarily...
Prof. Dr. Claudia Kemfert has been head of the Department of Energy, Transport and Environment at the German Institute for Economic Research (DIW Berlin) since April 2004 and is Professor of Energy Economics and Energy Policy at Leuphana University. Until 2019, she was Professor of Energy Economics and Sustainability at the Hertie School of Governance (HSoG). From 2004 to 2009, she held the...
Head of Department Energy, Transportation, Environment
Konstantin A. Kholodilin was born in 1973 in Saint-Petersburg (Russia). He had graduated from the Saint-Petersburg State University in 1995. In 2003, he obtained his doctor title from the Universitat Autònoma de Barcelona (Spain) and in 2012 a title of Doctor habilitatus from the Europa-Universität Viadrina (Germany). From 2001 till 2004, he was a researcher at the Université Catholique de Louvain...
Research Associate Macroeconomics; Research Associate Forecasting and Economic Policy
Sara Khorshidi is a Research Manager in the Department of Crime, Labour, and Inequality. Before joining DIW Berlin in January 2025, she was a senior adviser for funding and support programs in the Scholarship Department of the Rosa Luxemburg Foundation. After studying Social and Cultural Sciences, she earned her PhD in General and Comparative Cultural Studies at the University of Giessen, at the...
Lavinia Kinne joined DIW as a Postdoc at the Gender Economics Research Group in the Public Economics Department in 2023. She is also part of the Berlin School of Economics, guest researcher at the University of Potsdam, and Senior Research Fellow at the Center for Economic Policy Analysis (CEPA). Her research focuses on topics around gender in labor economics and the economics of education.
Research Associate Public Economics; Research Associate Gender Economics
Dana Kirchem joined the research group ‘Transformation of the Energy economy’ within the Department Energy, Transportation, Environment in September 2021. Her dissertation at the University College Dublin and the Economic and Social Research Institute (ESRI) Dublin dealt with the modelling of energy demand flexibility in integrated energy-water systems. Prior to her PhD, Dana studied Economics at...
Research Associate Energy, Transportation, Environment
Martin is a research associate and postdoctoral researcher in the Department Energy, Transportation, Environment. His work addresses the decarbonization of the energy system, focusing on flexibility options in the electricity sector, sector coupling, hydrogen, and the challenges of integrating variable renewable energy sources, especially during extended periods of low wind and solar generation (...
Research Associate Energy, Transportation, Environment
Simon Kleineweber is Research Manager at the German Socio-Economic Panel (SOEP). Before joining DIW Berlin in March 2021, he worked as a scientific coordinator at the Potsdam Institute for Climate Impact Research and as a research associate in interdisciplinary labour studies at European University Viadrina in Frankfurt (Oder). Simon studied Sociology, History and European Politics in Bielefeld,...
Research Manager German Socio-Economic Panel study
Sebastian Kollmann has been working at DIW Berlin since September 2012. Initially a trainee, since May 2014 he has been a press officer and editor for the DIW Wochenbericht. He studied economics and politics at the University of Cologne and attended the Cologne School of Journalism for Politics and Economics (Kölner Journalistenschule für Politik und Wirtschaft).
