Contact our Team
Do you want to be one of the first to get our products when they are ready for sale? Would you like to become our business partner? Do you have some open questions? Then please feel free to contact us—We look forward to hearing from you! (Our team is able to answer your requests in English and German.)
Contact Data
Bennoplatz 4/2/9
1080 Vienna
Austria
(no office)
+43 681 20652038
(on work days from 9am until 5pm CET)
Please note that we do not have an office at this address! You can use this address to send us mail, but if you would like to meet us in person, please contact us first so that we can arrange a convenient time and place to meet.
The phone number will connect you with our founder Wolfgang Zagler.
You can also send an email to a specific team member by using the pattern firstname.lastname@tetragon.at.
Founders
Wolfgang Zagler (Dipl.-Ing. Dr.)
Accessibility Design
Wolfgang Zagler is a retired professor, who had his own working group for Assisting Technologies at TU Wien. He has decades of experience with Braille displays and supervised two master’s theses in which the concept for our first product was developed. Even in his retirement, he is eager to bring new assistive inventions to life.
Michael Treml (Dipl.-Ing.)
Software Engineering
Michael Treml studied Media Informatics. In his masters’s thesis, he came up with the initial BrailleRing idea of combining grouped Braille dots in a rotating ring. He is currently working on his doctoral thesis in the field of technology-assisted braille teaching.
Dominik Busse (Dipl.-Ing.)
Mechatronics
Dominik Busse studied Mechanical Engineering, specializing in lighweight structures and applied machine elements. He has been designing and building prototypes for TETRAGON since his master’s thesis.
Mike Busboom (B.A.)
Braille Consultant
Mike Busboom is an expert in Braille reading. Being blind himself, he is TETRAGON’s most important link to the blind community. He has more than 20 years of experience in marketing refreshable Braille displays and he was also consulting Wolfgang Zagler's working group at TU Wien.
Other Team Members
Matthias Gerwinat (Ing. Mag.)
Managing Director
Matthias Gerwinat studied Industrial Engineering and Commercial Science. He has many years of experience as a managing director and a founder himself. Now he is also providing his experience to TETRAGON.
Georg Ehrenfels
Mechatronics
Georg Ehrenfels learned the job of a watchmaker and is an expert in precision mechanics. He was part of Wolfgang Zagler's working group and has been involved in the assembly of our mockups and prototypes since the early stages.
Students
Various Tasks
Our strong ties to TU Wien and other universities allow us to work with many students who are writing their theses in the field of Braille technology. While we cannot list all of them individually, we would like to acknowledge their work for TETRAGON with this general entry.