Mark Gessner
Academic Editor

Mark O. Gessner


Mark O. Gessner is an aquatic ecosystem ecologist with a particular interest in the functioning and biodiversity of lakes, streams and wetlands and how global environmental change affects these ecosystems. He has published widely in this field. Currently Mark Gessner holds a professorship in Applied Aquatic Science at the Berlin Institute of Technology (TU Berlin) and serves as department head and acting director at Germany’s Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB). IGB is devoted to providing the fundamental knowledge needed to meet the challenges faced by inland waters and human societies in a rapidly changing world. Previous legs on his career path were at the University of Kiel, in Switzerland (Eawag/ETH Zurich), France (CNRS as a doctoral student), Canada (Trent University as exchange student) and the USA (Stanford University as a sabbatical visitor).

Biodiversity Climate Change Biology Ecology Ecosystem Science Ecotoxicology Freshwater Biology Mycology

Past or current institution affiliations

Work details

Department Head

Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB)
January 2011
Department of Experimental Limnology
Acting Director and Department Head


Technische Universität Berlin
January 2011
Department of Ecology
Professor of Applied Aquatic Science


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