Barbara Hahn and Christine Zimmermann are at the forefront of exploring how organisations can use visualisation techniques to communicate complex data and information. Their company, Switzerland-based Hahn+Zimmermann, focuses on communication design, information graphics and design research. Hahn+Zimmermann develops tailor-made information graphics, often uncovering new insights. Barbara Hahn and Christine Zimmermann believe that standard data visualisation tools, such as pie charts or bar graphs, are inadequate to communicate complex information. The graphic design experts specialise in developing tailor-made visual solutions, working closely with clientspecific content.