Zacharias I. is Professor of Environmental Engineering in the Department of Civil Engineering, at the University of Patras. He is the author of 93 articles (Scholar) in refereed international journals, 85 articles in refereed international and national conference proceedings, about 40 technical reports, as well as university notes for the courses he teaches at the University of Patras. He serves or served as the principal investigator of 22 funded research projects in the EU and Greece. Citations around 2.100 & H-index:25 (Scholar). His research interests are in the areas of environmental engineering, pollution & restoration of inland and coastal waters.