OUR TEAM
STW Spleisstechnik West GmbH
Ever since the foundation of STW, our employees are working ambitiously in order to be able to deliver the best outcome for our clients within the Alpine region.
Convince yourself of our qualified team.
OUR TEAM

Rainer Mariacher
CEO
| +43 699 / 13 31 34 03
In 2005, I decided to start STW with the vision to ensure the latest data communication infrastructure within the Alpine region. To this day, I am enthusiastically working together with my steadily growing team on the implementation of this vision.
Dieter Kaltenriner
COO
| +43 664 / 50 55 481
Since 2006, I have been on the joint mission with Rainer and, in my job as COO, I am responsible for the organization and execution of day-to-day operations. Everyday, my team and I are dedicated to realize various customer wishes - no matter how fancy they may be.


Gernot Siegele
Devision manager FTTH
gernot.siegele@stw.co.at | +43 664 / 88 10 21 54
As an experienced builder I developed myself in the field of FTTH (fiber to the home) and found a new challenge at the company STW as a division manager. Project management in particular is one of my strengths. Hereby, I am responsible for the complete process, from planning to implementation.

Simone Mariacher
Accounting
| +43 512 / 28 11 42-14
My interest in numbers led me to STW. Here I take care of the administration of all accounting tasks and contribute with my Bavarian spirit to a pleasant atmosphere in the company.

Ingrid Stauder
Back office operation
| +43 512 / 28 11 42-12
With my communicative way, I am the first contact person at STW. In addition, I take care of all the work that is required in everyday office life.
Lisa Nagl
Technical office service
| +43 512 / 28 11 42-13
Together with my colleagues, I take care of all the technical matters that are occurring during the day. I am your reliable contact, should technical questions arise.

Kateryna Kharkovchuk
Warehouse
| +43 512 / 28 11 42-11
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In order to ensure the availability of resources for all current and future projects, I am responsible to manage the supply as well as the inventory.
Markus Luschin
Distribution & projectmanagement
| +43 664 / 42 99 474
Adviser North Tyrol

Franz Wagner
Regional adviser, Tyrolian lowlands
| +43 676 / 42 81 141
Roman Gasser
Regional adviser, Zillertal and West Tyrolian lowlands
| +43 664 / 88 18 23 78


Marco Fiegl
Regional adviser, Middle Inn Valley, Stubaital
| +43 664 / 50 55 481

Florian Puelacher
Regional adviser, Middle Inn Valley, Ötztal
| +43 676 / 42 81 148

Stefan Trenkwalder
Regional adviser, Upper Inn Valley, Außerfern
| +43 676 / 42 81 145
Eduard Sturm
Sales force, customer service
| +43 664 / 46 65 453
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Adviser East Tyrol

Stefan Lang
Regional manager East Tyrol
| +43 676 / 42 81 143
Since 2016, I am responsible for the development of the digital infrastructure in East Tyrol and the surrounding areas. Together with my team, I am your local contact.
Robert Assmair
Regional adviser East Tyrol
| +43 664 / 88 22 60 01

As a distribution specialist I know all processes and synergies of our projects in the area of glass fiber. This technology opens new paths for the future.
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