Christos S ZerefosNiki Evelpidou is a Professor of Geomorphology and Geoinformatics at the National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment, and Faculty Affiliate of the Department of Geology and Environmental Geosciences of the Colege of Charleston, USA. Prof. Evelpidou is actively involved in the research fields of geomorphology, coastal geomorphology, sea level changes, palaeogeography, geology, spatial technologies, study and modelling of natural hazards, while emphasizing on the use of new technologies and innovation. Christos Repapis was Director of the Research Centre of Atmospheric Physics and Climatology of the Academy of Athens (1985-2005) and has remained as Research Associate of the Centre since his retirement. Christos Zerefos heads the Research Centre for Atmospheric Physics and Climatology, Academy of Athens and is president-elect of the General Assembly of the Hellenic Foundation for Research and Innovation. Other roles academic posts include Professor of Atmospheric and Environmental Physics (Universities of Athens and Thessaloniki), Visiting Professor (Universities of Minnesota and Boston) and Samarbeidspartnere (University of Oslo). Harry Tzalas has conducted a range of innovative experimental archaeological studies relating to ancient sea vessels. In 1997 he formed the Hellenic Institute of Ancient and Mediaeval Alexandrian Studies and obtained a concession from the Egyptian Authorities for an underwater survey of 14 kilometers of the eastern littoral of Alexandria; 28 campaigns were successfully conducted. Costas Synolakis is Professor of Civil Engineering at the University of Southern California and a a member of the Academy of Athens holding the Chair of Earth Sciences. His research studies the impact of natural hazards, and particularly tsunamis and extreme flooding events on beaches. He has participated or led 30 scientific expeditions in 21 countries, practically in all of the world's oceans and seas. Read More Read Less