Software ist Teamwork
untermStrich Team
![](https://www.untermstrich.com/wp-content/uploads/2023/07/Helmut-Geilersdorfer_04A1347_540x800.jpg)
Helmut Geilersdorfer
CEO
helmut.g@untermstrich.com
![Christian-Koller untermStrich Team](https://www.untermstrich.com/wp-content/uploads/2022/10/Christian-Koller_O8A5757.jpg)
Ing. DI (FH) Christian M. Koller, MSc
Authorized officer,
Head of development and IT (CTO)
christian.k@untermstrich.com
![Guido Strohecker untermStrich Team](https://www.untermstrich.com/wp-content/uploads/2022/10/Guido-Strohecker_O8A7007-1.jpg)
Architekt DI Guido R. Strohecker
Senior Consultant,
Founder
guido.s@untermstrich.com
![Reinhard-Klingenhagen](https://www.untermstrich.com/wp-content/uploads/2022/10/Peter-Remitz_O8A6935.jpg)
Ing. Peter Remitz
Founder
![Tanja Lechner untermStrich Team](https://www.untermstrich.com/wp-content/uploads/2022/10/Tanja-Lechner_O8A7767.jpg)
Tanja Lechner
Head of Marketing
tanja.l@untermstrich.com
![Daniela-Lindner untermstrich team](https://www.untermstrich.com/wp-content/uploads/2022/10/Daniela-Lindner_O8A8073-2.jpg)
Daniela Lindner
Head of Office Management
daniela.l@untermstrich.com
![Kerstin-Gruber untermStrich Team](https://www.untermstrich.com/wp-content/uploads/2022/10/Kerstin-Gruber_O8A6209.jpg)
Kerstin Gruber
Office Management
kerstin.g@untermstrich.com
![inge-tapke untermstrich Team](https://www.untermstrich.com/wp-content/uploads/2022/10/inge-tapke_O8A5895.jpg)
Inge Takpe
Reception
i.takpe@untermstrich.com
Kathleen Oesterreich
Office Management
k.oesterreich@untermstrich.com
Sandra Novak
Office Management
s.novak@untermstrich.com
Michael Fußer
Sales
michael.f@untermstrich.com
Mag. Christian Gold
Sales
c.gold@untermstrich.com
Ing. Andreas Kraller
Development, Support
andreas.k@untermstrich.com
Michael Pfeilstöcker
Development, Support
michael.p@untermstrich.com
Christian Wengg, MSc
Development
christian.w@untermstrich.com
Dominik Pansi, MSc
Development
dominik.p@untermstrich.com
Ing. Reinhard Klingenhagen
Head of Systemadministration
reinhard.k@untermstrich.com
Andreas Raab
Customer care, Training, Support
andreas.r@untermstrich.com
Steve Davidovic
Customer care, Training, Support
s.davidovic@untermstrich.com
Dipl.-Wi Ing. (FH)
Sven-Alexander Mattner
Customer care, Training, Support
s.mattner@untermstrich.com
Dipl.-Bibl. (FH)
Andreas Wischnack
Customer care, Training, Support
a.wischnack@untermstrich.com
Karsten Liendl
Customer care, Technical Support
k.liendl@untermstrich.com
Verena Markel
Customer care, Technical Support
v.markel@untermstrich.com
Stefan Roth
Development
stefan.r@untermstrich.com