PD Dr. Kathrin Fenner was appointed as extraordinary professor ad personam in the field of environmental chemistry (20%). Kathrin Fenner graduated in Chemistry at UZH and obtained her PhD at the Department of Chemistry of ETH Zurich. Additionally, she achieved a postgraduate degree in Industrial Management and Manufacturing at ETHZ. In 2010 she received the venia legendi in Environmental Chemistry at ETHZ. The topic of her habilitation thesis was «Exposure assessment for organic contaminants - Improving scope and accuracy». Kathrin Fenner was visiting researcher at the Lawrence Berkeley National Laboratory, USA, and visiting researcher with an SNF Fellowship for Advanced Researchers at the University of Minnesota, USA. We welcome Kathrin Fenner at the Department of Chemistry.