Professor, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb

Professor, Department of Energy and Power Engineering, Tsinghua University

Professor, Carnegie Mellon University

Professor, University of Tehran

German Aerospace Center (DLR)

Research Professor at Basque Centre for Climate Change (BC3)

Professor, PSI & ETH Zurich

Professor of Mechanical Engineering, Alzahra University

Energy Economics Group (EEG), Technische Universität Wien (TU Wien), Austria

Professor Energy Systems Analysis, Technical University of Denmark