Rodolfo Soncini-Sessa was born in 1948 in Milano. In 1972 he received a Master in Electronic Engineering from the Politecnico di Milano, Italy. He has been associate professor of Modelling and Control of Natural Resources (1982-1986, Politecnico di Milano) and full professor of Automatic Control (1986-1990, Università di Brescia), before becoming full professor of Natural Resources Management at the Politecnico di Milano in 1990. He has been invited to the International Institute for Applied System Analysis (IIASA) in Austria for several research periods. His main research interests are the Design of Decision Support Systems (DSS) for integrated and participatory decision making in the field of water resources, with attention to both quality and quantity of the water. Model identification, policy design and DSS architectural aspects are included. He is past president of the Technical Committee on Modelling & Control of Environmental Systems of IFAC, and on the Editorial Boards of Water International and Journal of Environmental Management and Modeling. He is author or co-author of several books and many papers. The most recent books are Topics on System Analysis and Integrated Water Resources Management, Elsevier, Amsterdam, 2006 (editor with A. Castelletti). Integrated and Participatory Water Resources Management – Theory, Elsevier, Amsterdam, 2007 (with A. Castelletti e E. Weber). Integrated and Participatory Water Resources Management – Practice, Elsevier, Amsterdam, 2007, (with F. Cellina, F. Pianosi and E. Weber).