Dieter Wagner is Systems Engineering National Technical Lead at MBDA Deutschland GmbH. A graduate engineer in applied physics (Dipl.-Ing., Hochschule München), he has more than 35 years of experience in complex systems engineering within the defense sector. A pioneer in the field, he introduced and formalized Model-Based Systems Engineering (MBSE) at MBDA as early as 2005, contributing to its deployment both within the organization and in the wider industrial community through publications and teaching activities as a lecturer at the University of the Bundeswehr and Hochschule Kempten. Today, his expertise focuses on Product Line Engineering (PLE) and variability management in accordance with ISO 26580. At MBDA, he is leading the introduction of methods and processes in this domain, with a strong emphasis on digital continuity and tool integration (Capella, Pure::Variants, IBM ELM).