Jochen Schiewe, Professor at HafenCity University Hamburg, Germany. He has studied (Dr.-Ing.) Surveying Engineering at universities in Hannover (Germany) and Fredericton (Canada), and venia legend in Geoinformatics from the University of Vechta (Germany). Research interests: modeling and visualization of uncertainties, data classification, journalistic cartography, and others. President of German Cartographic Society (DGfK).