Salvador Rueda is the founder and director of the Urban Ecology Agency of Barcelona, established on June 5, 2000. He has held managerial positions in the Planning Department of the Government of Catalonia (Generalitat de Catalunya) as well as with the municipalities of Barcelona and Sant Adrià de Besòs. Rueda is the author of several books and scientific and technical articles, and is responsible for the development and extension of sustainable practices on the urban environment. He has acted as scientific advisor to many national and international conferences, is a major contributor to various masters and postgraduate courses, and a speaker at national and international conferences. From 1994-2000, he was a member of the European Commission’s Expert Group on the Urban Environment.