Dr. Karrar Mahdi is a researcher and teacher specialising in soil and water processes, including erosion, drought assessment, rainwater harvesting, and the transport of pollutants in/on soil. He is affiliated with Wageningen University, where he coordinates projects and supervises students on topics related to water and agriculture, primarily focusing on arid and semi-arid regions such as the Middle East He earned his BSc in Civil Engineering in 2004 and his MSc in Environmental Engineering in 2009. Subsequently, in 2014, he started his PhD at Wageningen University within the Soil Physics and Land Management group (SLM), where he investigated pollution transport during runoff and erosion processes. Since 2018, he has been actively involved with as a staff of the Soil Physics and Land Management group at Wageningen University.