Sven Erik Jørgensen is professor emeritus in environmental chemistry at the University of Copenhagen. He has published 370 papers of which 256 were published in peer-reviewed international journals and he has edited or authored 79 books, of which several have been translated to other languages (Chinese, Russian, Spanish and Portuguese). He has authored a successful textbook in ecological modelling “Fundamentals of Ecological Modellingâ€, which was published as a fourth edition together with Brian Fath in 2011. He is the editorial board member of 20 international journals in the fields of ecology and environmental management. He is the president of ISEM and he has been elected member of the European Academy of Science’s, for which he is the chairman of the Section for Environmental Sciences. He has received the Einstein Professorship of the Chinese Academy of Science. He has in 1975 founded the journal Ecological Modelling and in 1978 ISEM (International Society of Ecological Modelling). He has received several awards, The Ruder Boskovic Medal, The Prigogine Prize, The Pascal Medal, The Einstein professorship at the Chinese Academy of Sciences, The Santa Chiara Prize for multidisciplinary teaching and the very prestigious Stockholm Water Prize. The Encyclopedia of Environmental Management, edited by Sven Erik Jørgensen, received in 2013 the outstanding publishing achievement, “this year’s Outstanding Academic Titleâ€.