Hesam is a PhD candidate in TU Delft on a techno-economical investigation of pathways to sustainable shipping and Affiliated scientist at EIEE. He started his career as a Mechanical Engineering. He did loads of projects in the fields of renewable energies, both researching as well as experimental developments. He continued his educational career in Energy Engineering at Politecnico di Milano. Modelling hydrogen and fuel cells in Integrated Assessment Models toward realizing a sustainable zero emission energy and transportation system is his principle concentration.