Professor George P. Karatzas received his Ph.D. in 1992 from the Department of Civil Engineering and Environmental Engineering at Rutgers University, USA in a combined Ph.D. program with Princeton University, USA. At the present time he is a Full Professor in the School of Chemical and Environmental Engineering at the Technical University of Crete, Greece (1998-today) where he has served as Chairman and Dean of the Department. Prior to that position he worked as a postgraduate at the Research Center for Groundwater Remediation Design at the University of Vermont (1992-1994) and as an assistant professor at the Civil and Environmental Engineering Department at the University of Vermont (1994-1999). His area of research includes numerical simulation in porous media, subsurface hydrology and contaminant transport, groundwater management, subsurface remediation techniques, global optimization techniques, surface water modeling and floods. He is the author of 113 journal publications, 87 conference proceedings, one book and 5 book chapters. He has been principal investigator and co-investigator in several national and international research projects related to groundwater flow and contaminant transport, groundwater management, surface hydrology and floods.