Markus Rohde, Dr., studied psychology and sociology at the University of Bonn and is one of the founders of the International Institute for Socio-Informatics (IISI) and co-editor of the International Report on Socio-Informatics. Since 2004 he is working as a research associate at the Institute for Information Systems and New Media at the University of Siegen, since 2008 as research manager for Community Informatics. Moreover he is editor of the political science journal “Forschungsjournal Neue Soziale Bewegungen” (New Social Movements). Since 1991 his research focuses on usability engineering of network systems, on virtual organizations, and on “organization and technology development”. From 1994 until 1997 he was working as a consultant for medium-sized enterprises and for nonprofit-organizations. From 1997 until 2001 he worked as CEO of AGENDA CONSULT GmbH. From 2002 until 2004 he was working as a project manager for IISI. In 2004 he was research associate for Fraunhofer Institute for Applied Information Technology (Fhg-FIT) in Sankt Augustin. In 2007 he awarded his Ph.D. degree in Information Systems at Roskilde University, Denmark. His main research interests are human-computer interaction, computer supported cooperative work (CSCW), expertise management and blended learning, virtual organizations, non-governmental organizations and (new) social movements.