≥25
years of experience
>300
employees worldwide
Global acting
Headquartered in Berlin, further locations in Dresden and Boston
Growth
Continuous growth and constant investment in modern technologies
Robert Giertz
Mr. Giertz has had a long-standing connection with the AEMtec GmbH: He first joined the company as a working student and thesis candidate from 2003 to 2004. After successfully completing his degree in Microsystems Engineering (Dipl.-Ing. FH) at the University of Applied Sciences for Technology and Economics (FHTW) in Berlin, he began his professional career as a Process Engineer at Infineon in Dresden.
In 2009, Mr. Giertz returned to the AEMtec GmbH, where he has since held various responsible positions. During his time as a Project Manager, he also earned certification as a Project Manager (IPMA).
Since 2012, Mr. Giertz has been leading the Engineering department and has been part of the management team as CTO since 2018.
In 2025, Mr. Giertz was appointed Managing Director of the AEMtec GmbH in Berlin.
Thomas John
Thomas John began his professional career in the field of hardware and software development after successfully graduating as a communications engineer from the Deutsche Telekom University of Applied Sciences in Dieburg. He joined E-Plus Mobilfunk GmbH in 1995, where he was responsible for mobile communications network quality. His distinguished track record in the fields of contract management, product management and key account management included a number of other positions within the data and telecommunications sector at Mannesmann Arcor AG & Co. and at Sagem Orga GmbH. Thomas John has been involved in sales at AEMtec since 2007 and in charge of this division since 2010.
He was appointed Managing Director of AEMtec GmbH in Berlin in 2019.
Jan Trommershausen
A graduate of Westfälische Wilhelms University of Münster, Germany, Jan Trommershausen began his career in production logistics at SABO armaturen-service.
After a variety of management positions in controlling and management at DBT Deutsche Bergbau-Technik Group and as CEO at SaarGummi Automotive, Mr Trommershausen joined exceet Group SE (and its predecessor) in 2006, where he was appointed to a number of management positions between 2006 and 2017. He has been Managing Director of AEMtec GmbH in Berlin since 2010.