Prof. Chrysikopoulos has taught in the Department of Civil and Environmental Engineering, University of California, Irvine (1991-2004); Department of Civil Engineering, University of Patras, Greece (2004-2013), and in the Department of Chemical and Environmental Engineering, Technical University of Crete, Greece (2013-2022). He has over 125 peer-reviewed international journal publications. His h-index is 43 (Scopus), 50 (Google Scholar). He specializes in experimental and theoretical aspects of contaminant transport in porous media and environmental systems. He has participated in numerous research projects funded by USA and EU. Also, he is currently on the editorial board of several international journals.