From 23 to 27 February, researchers will meet in Siegen to take part in workshops, lectures and discussions on a wide range of information systems topics. In the focus thereby among other things topics are located from the ranges IT-management and - strategy, enterprise modelling & information system organization as well as environmental informatics & lasting management. The research group for business information systems and enterprise modelling engages itself thereby with the organization of Workshops and own lectures. Thus Dr. Jens Gulden and Alexander Bock organize a Workshop for ethics and moral in the Business Information Systems with colleagues from Utrecht. Mario Nolte presents together with his colleague Andreas Fritzsch from Karlsruhe a research paper that deals with the application of multi-level modeling for the life cycle analysis of products and can be used to support the sustainable development of companies. Sybren de Kinderen and Monika Kaczmarek-Heß have written a contribution to the strategic analysis of business models together with colleagues from Ireland and Luxembourg, which will also be presented and discussed at the conference.