The UNESCO Chair, through the ESU Research Unit, is incorporated in the Sector of Industrial Management & Operational Research of the School of Mechanical Engineering of the National Technical University of Athens.Its activities span a particularly broad scientific range around the areas of the circular economy, green innovation and entrepreneurship, techno-economic evaluation of projects and investments, and environmental planning.It supports a set of undergraduate and postgraduate courses related to the above subjects. Moreover, its educational activity includes the preparation of diploma theses by final year students of the School of Mechanical Engineering School and at the same time gives the opportunity of preparing doctoral theses to graduates from other schools of the NTUA or related Universities.The members of the Chair come from the Sector of Industrial Management and Operational Research of the School of Mechanical Engineering of the NTUA, as well as from other areas, forming an interdisciplinary team that has valuable teaching, research and study experience in the entire range of the Chair's research subjects.Chairholder is Professor Konstantinos Aravossis, Professor of National Technical University of Athens (NTUA).