Dr Charisios Achillas is Associate Professor at the International Hellenic University, Department of Supply Chain Management. He graduated in 1999 from the Department of Engineering (Aristotle University Thessaloniki), with a degree in Mechanical Engineering. He continued his studies with an MSc in Engineering Project Management in 2001 (UMIST, Manchester, UK). In 2009, he received his PhD Doctorate in the field of reverse logistics. Dr Achillas is a senior researcher at the Institute of Bio-Economy and Agri-Technology, Centre for Research & Technology Hellas (CERTH) and the Sustainability Engineering Laboratory, Department of Mechanical Engineering, Aristotle University of Thessaloniki. Since 2003, Dr Achillas has been involved in Science, Research & Development, from technical development to coordination, project and financial management. His work has flourished in participating in more than 55 (EU-funded as a majority) research projects, and with a total budget for the organizations he worked for exceeding € 13 million. Dr Achillas has been a partner in 2 high-tech companies in Thessaloniki, Greece and a member of scientific committees at national and European level. He is the author of more than 250 scientific publications (Scopus h-index: 25). His research interests span the fields of project management, environmental management, and sustainable development, with a primary focus on circular economy.