Dr. Andrea Rinaldo is the Professor of Hydrology and Water Resources and the Director of the Laboratory of Ecohydrology at École Polytechnique Fédérale de Lausanne, Switzerland, as well Professor of Civil and Environmental Engineering at the University of Padova, Italy. He received his PhD (1983) in Civil Engineering at Purdue University. He is world-renowned as an authority and co-founder of the field of Ecohydrology and for his theory of self-organized fractal river networks and efficient transport networks. He is a member of the US National Academy of Engineering, the US National Academy of Science, and the Royal Swedish Academy of Sciences, and the recipient of the Horton Award from the American Geophysical Union, and the Dalton Medal from the European Geoscience Unions.