Associate Professor Ioannis K. Kalavrouziotis has received his Ph.D in Environmental Geochemistry, Deapartment of Geology, University of Patras, Greece in 1999. Currently, he is working as Associate Professor in The Department of Environmental and Natural Resources Management, in Agrinio, University of Western Greece (2000-2013). Associate Professor in the Hellenic Open University , School of Science and Technology, in Wastewater Management (from 01 July, 2013). He has successfully completed his Administrative responsibilities as: Agronomist of the Ministry of Agriculture from 1988 to 2000, Director of the Western Greece Region Administration from 30-1-1993 to 25-11-1993, Member of the Administrative Board of the National Agricultural Research Foundation (NAGREF) from 2006 to 2009, President of the Sector for the Management of Messologion Lagoon (Ministry of Environment, Physical Planning and Public Works) from June 2006- January 2009. He is serving as an editorial member of several reputed journals like Water Reuse and Desalination (IWA), Environment and Pollution (Canadian Center of Science and Education), Journal of Environmental and Analytical Toxicology and Frontiers in Green and Environmental Chemistry Journal. He has published 3 Books and chapters,62 peer-reviewed full research papers in International Journals, 3 papers in National Greek Journals, 33 papers in International Conferences, 35 papers in National Conferences and 70 articles in journals and newspapers. He is a member of the Administrative Board of the Geotechnical Chamber of Greece from 2002 to 2003, Member of the Administrative Board of the State Agronomists Pan-Hellenic Union (PUSA) during the periods 1991-1993, 1993-1995, 1995-1997). Secretary General of the Union during 1997, Member of the Administrative Board of the Organization for the Authentication (certification) and Supervision of the Agricultural Products (OPEKEPE), representing the Geotechnical Chamber of Greece 2004-2005.Member of the Administrative Board of the National Agricultural Research Foundation (NAGREF) from 2005-2009. Member of International Water Association from 2008.