Adjunct Prof. at China Three Gorges University, Yichang, China
Professor (since 2016):

University of Koblenz-Landau, Institute for Environmental Sciences
Professor (since 2008)

Postdoctoral Research Fellow: University of Konstanz, Limnological Institute

Postdoctoral Research Fellow: EAWAG - Swiss Federal Institute for Environmental Science and Technology, Department of Applied Aquatic Ecology

Postdoctoral Research Fellow: UFZ Environmental Research Center, Department of Inland Water Research

PhD Natural Sciences: Institute of Freshwater Ecology and Inland Fisheries Berlin & Technical University of Darmstadt

Studies in Physics: Humboldt-University Berlin