The management of Assystem Germany GmbH consists of Alexander Graf (CEO) (in the picture on the right side) and Josef Mitterhuber (COO) (in the picture on the left side).

Alexander Graf has been the managing director of Assystem Deutschland Holding since 01/11/2015, and since 01/12/2015 he has also been the managing director and CEO of the operational companies Assystem GmbH and Berner & Mattner Systemtechnik GmbH, which merged in March 2017 to become Assystem Germany GmbH, as well as Silver Atena Electronic Systems Engineering GmbH. He is a member of the GPS Executive Teams. Alexander has been performing various management functions for international corporations for more than 20 years. His personal focus is on business management, consulting and IT as well as M&A processes and the integration of internationally active corporations.


Josef Mitterhuber has been managing the operational side of Assystem GmbH as COO since December 2013 and is in this function also responsible for technology, sales and quality. Since 2008, he has been the managing director of Silver Atena Electronic Systems Engineering GmbH, which was created in 2008 by merging the electronics sector of Atena and Silver Software with the focus on embedded systems. Before the merger, he had been the sole managing director of Atena Engineering and his responsibilities included the aerospace sites in Hamburg, Berlin, Bremen, Donauwörth and India.

Assysten Germany - A new path to growth