https://profiles.google.com/Fotios.RigasFotis Rigas received his Bachelor's degree in Chemical Engineering from the National Technical University of Athens (NTUA) in 1970. After working as an R&D engineer in an explosives factory and later as a consultant, he was employed as academic staff at NTUA in 1975 from which he received his Ph.D. in Chemical Engineering in 1984. He also received a Master's degree in Sanitary Engineering from the National School of Public Health in 1991.He is now a Professor at NTUA and has been a Visiting Professor at the Greek Fire Academy (1988-1989), the National School of Public Health (1992-1994), and the National Autonomous University of Mexico (2003).His current research and academic activities are in the areas of bioremediation and process safety. He has published or presented over 150 papers and is a reviewer of papers in 49 international journals.