During the past 35 years acting as Managing Director of two plastic molding firms in Germany and Spain with in total around 100 employees. Since 3 years active in technology consulting globally (Man. Dir. of Schwarz Plastic Solutions GmbH), for component suppliers and OEM in automotive and electro. Extended experience in working with large customers as a component supplier. In addition on a voluntary basis active in the Chamber of Commerce organization for more than 20 years, since 2017 head of the SME committee of DIHK (Berlin).