Prof. Paolo Billi has been working in the University of Florence and the University of Ferrara in Italy and closed his academic career at the International Platform for Dryland Research and Education of the University of Tottori in Japan. Prof. Billi’s main research topics include Fluvial Geomorphology, Sediment Transport and Sediment Yield. He carried out his research activities on rivers in Italy and in the Horn of Africa. He is also editor of the Springer volume on Landscape and Landforms of Ethiopia.