He was Professor from 1982 to 1990 at the Institute of Environmental Protection and from 1991 to 2008 Head of the Institute of Waste Management at the Technical University of Hamburg, Germany. He retired in March 2008. He is one of the prominent researchers in the field of waste management and provided in particular fundamental scientific contributions on sustainable landfilling, anaerobic digestion, biogas generation and control, treatment of contaminated soil. He co-ordinated several international and national research projects, and was member of the environmental advisory board of Shanks, England. From 2009 until 2011 he was director of the R3C Research Center at the Nanyang University of Technology, Singapore. He is co-organiser of several national and international conferences and has published more than 300 scientific papers and several books. After 6 years of presidency of IWWG (International Waste Working Group) he became past president.
He is a full professor at the School of Environmental Engineering and Director
He is full Professor of Solid Waste Management at the University of Padova and
He was Professor from 1982 to 1990 at the Institute of Environmental Protectio