Sanna Syri is professor of Energy Technology and Energy Economics at Aalto University School of Engineering since year 2010. She received her PhD in Technical Physics from Helsinki University of Technology in 2001. Before her appointment at Aalto University, she has worked at the Technical Research Centre of Finland VTT, at the Finnish Environment Institute and at IIASA in Austria. Her research work concentrates on efficient climate change mitigation in large-scale energy systems. Her research group studies especially sustainable transitions of international electricity markets and city-level district heat systems.