Prof. Dr. Eyob Habte Tesfamariam is an agricultural systems modeler at the University of Pretoria with a research focus on water, nitrogen, carbon and contaminant dynamics in agricultural lands as well as the impact of climate change on crop and pasture production. His current research emphasizes on beneficial agricultural use of wastewater sludge, and the impact of climate change and extreme weather events on maize production in South Africa. He obtained a Bachelor of Science in Soil and Water Conservation at the University of Asmara, a Master of Science and a Ph.D. in Agronomy at the University of Pretoria. He has been the project leader and co-investigator of several South African Water Research Commission-funded research projects and European Union (FP7 program) funded multidisciplinary and multi-country projects. He has developed a decision support system for sludge application in the South African agricultural lands (SARA) model.