Professor Torsten Stein, studies in economics and PhD, University of Applied Sciences Bonn-Rhein-Sieg, before at i+o project manager for industrial planning and organization (today...mehr sehenProfessor Torsten Stein, studies in economics and PhD, University of Applied Sciences Bonn-Rhein-Sieg, before at i+o project manager for industrial planning and organization (today: io-consultants), several guest lecturers at universities in Germany and abroad, e.g. at Namibia University of Science and Technology/Windhook, author of journal and book articles.weniger sehen