Benjamin Wiederkehr (CH) is an interaction designer with a focus on data visualization and interface design. He is founding partner and managing director of Interactive Things, a user experience design and data visualization studio he established in 2010 together with Christian Siegrist and Jeremy Stucki. The Zurich based team designs and implements interactive products and information visualizations for national and international clients including the UNDP, UNESCO, WEF, Mozilla and National Geographic. Benjamin is furthermore part of the Open Government Data task force in Switzerland (Opendata.ch) and helps to facilitate an open access to government data for everyone. On Datavisualization.ch, Benjamin provides insight into his research and working process as well as he documents topical use cases in the field of data visualization. His work and research interests center around persuasive technology, information and knowledge visualization and cartography.