Alexander Nyßen manages the Lünen office. As consultant and coach, he furthermore advises customers in the application of modeling languages and the technical realization of software tools. Alexander has lead the Eclipse Graphical Editing Framework (GEF), was involved in various of itemis' language engineering ventures and has recently participated as product owner in the predevelopment of a web-based, next generation language workbench. Currently, he is driving the topic of model-based systems engineering (MBSE).