Ioannis Katsoyiannis is a Full Professor at the Department of Chemistry of Aristotle University of Thessaloniki, Director of the Institute of Sustainable Water Management and Water Law of the European Public Law Organization and President of the Hellenic Industrial Property Academy. He used to be the President of the Association of Greek Chemists, Chair of the Division of Chemistry and Environment of the European Chemical Society (EuChemS) and Executive Board Member of EuChemS. Currently is representing EuChemS at the Zero Pollution Stakeholders Platform of the European Commission. Professor Katsoyiannis, since 2022 is serving as an academic advisor for the Onassis Foundation and is associate editor for the Journal Environmental Science and Pollution Research (Springer).