Dr. Eleftheria Klontza is a Research Fellow in Waste Management Laboratory in the University of the Aegean. Since 2013, she is the administrator of Global NEST Journal and responsible of the organization of CEST. Since October 2016 she collaborates with the Hellenic Open University, supervising students of the Postgraduate Programme “Waste Management”. In July 2020, she was appointed as a Member of the Board of Directors of Natural Environment and Climate Change Agency. Her current activities include the participation in several funded projects that deal with the treatment and valorization of agricultural wastes, the development of a research Infrastructure for Shipping, Supply Chain, Transport and Logistics, sustainable and circular bioeconomy in the North Aegean Region and the use of Printing technology to help students understanding maths and recycling procedure.