Constantinos Noutsopoulos is a Professor at the School of Civil Engineering of the National Technical University of Athens. He has more than 30 years experience in teaching and research, dealing mainly with water, wastewater and sludge treatment and reuse, circular economy and resources recovery, removal and fate of priority substances and emerging pollutants in wastewater treatment plants, water resources management, and mathematical modelling of biochemical processes. He has been engaged in more than 80 National and EC funded research projects (in 23 as coordinator). He is the author of more than 150 papers in peer-reviewed scientific journals and international conferences (h index = 22).