Nikos holds a PhD in Chemical Engineering and Materials Science from the University of Minnesota (USA) and has worked as an Associate Professor with tenure at the Chemical & Biomolecular Engineering department at Rice University (Houston, TX), where he conducted research in several aspects of sustainability. He is the co-founder and the Lead Policy Analyst at the Green Tank, an Athens-based non-profit think tank focusing on energy & climate policy, Just Transition and the protection of the environment. Since 2020 he is a member of the National Scientific Committee for Climate Change.