Prof. Dr.-Ing. Jekel led the Water Quality Engineering Department at the Institute of Environmental Technology at the Technical University of Berlin from 1988 to 2018. He is also an honorary chairman of the German Water Chemistry Society, where he served as Chairman of the Board between 2004 and 2012. Since 01.06.2023 Prof. Dr.-Ing. Martin Jekel is the new Interim Managing Director of KWB Kompetenzzentrum Wasser Berlin gGmbH.