Prof. George Tsakiris is Professor Emeritus of the National Technical University of Athens- Greece. He has recently served as director of the Centre for the Assessment of Natural Hazards and Proactive Planning of NTUA and director of the Laboratory of Reclamation Works and Water Resources Management, School of Rural and Surveying Engineering of NTUA. He has PhD in irrigation engineering from the Civil Engineering Dept. of Southampton University, U.K. He is a full Professor in hydraulic, irrigation and drainage engineering since 1988, teaching engineering hydrology, hydraulic works and water resources management. His research interests (among others) include topics of hydro-meteorological extremes (droughts and floods), non-stationary hydrological processes in arid and semiarid regions and adaptive water resources management under uncertainty. He has completed more than 55 European and national research projects, most of which as scientific coordinator. He has published more than 120 peer reviewed papers in international scientific journals and a large number of papers in Proceedings of international and national conferences. He is the author/co-author of five textbooks in Greek and one in English, and the editor of many conference Proceedings. He is the Editor-in-chief of the international journal Water Resources Management published by Springer, and member of the Editorial Boards of several other journals. He has been the key organiser of a large number of international conferences and symposia in several European cities. In 2015 he has earned the distinction and designation of Honorary Diplomate, Water Resources Engineer (Hon.D.WRE) from the American Academy of Water Resources Engineers (AAWRE/ASCE). Currently, he is the President of the European Water Resources Association (EWRA) and the National Representative of the International Association of Hydrological Sciences (IAHS).