Entrepreneurship needs more than other disciplines taught at universites parmanent interchange with related sciences and practice. Thus, The Entrepreneurship-Innovation-Marketing Interface was the title of a symposium held at the University of Karslruhe in October 2005 (for a second time after a first succesful meeting two years before) to foster cross-disciplinary activites that have connnections with entrepreneurship and to provide a forum for the presentation of ideas and experiences that practioners ansd researchers could interchange.