Our team
Do you have a question? Write to us or give us a call.
We are happy to be there for you.
Studied daylighting research in Bratislava and Kyoto and graduated with PhD. Has been CEO of Heliobus since 2023. In his free time he likes to go on trips with his family.

Dr. Miroslav Fabian
CEO
Erik Vollert represents Heliobus AG in French-speaking Switzerland and France. He has been our partner since 2010 and supports Heliobus very competently.

Erik Vollert
Partner Suisse Romande & France
As an energy and civil engineer, Rudolf Signer recognized the need for room-optimizing daylight systems early on. He founded Heliobus AG in 1999. In his spare time, you can meet him on his racing bike on the Swiss pass roads.

Rudolf Signer
Founder & CEO
Stephan has been supporting us in field sales since February 2025. As a former construction manager, self-employed architect and with his open manner, he also masters challenging tasks.
This is how he responds to your personal wishes.

Stephan Zai
Sales field service
Has been designing for Heliobus AG since the summer of 2022 and keeps the team in a good mood. She enjoys collecting new impressions on city trips.

Eleonora Karkic
Designer
Successfully completed his commercial apprenticeship with us in 2018 and then worked in the sales office. After joining the military, he has been actively supporting the team again in internal and external sales since March 2021. In his free time, he likes to travel with his friends or go Thai boxing.

Faton Racipi
Sales office and field service
You can always find him set up in production or on assembly. He has been a competent employee at Heliobus since 2024.

Rafael Jedrzykiewicz
Production & Assembly
Has been supporting the team in the workshop and on assembly since May 2021. In his free time, he enjoys hiking or going on excursions with his family.

Karol Lohay
Production & AssemblyJobs & Career
You want to make a difference and are interested in sustainable, future-oriented solutions for daylight? At Heliobus, you can expect a dynamic team of long-standing, experienced employees, but also newer, younger career starters. We work hand in hand and support each other.