![Engelbert Winkler Engelbert Winkler](/images/winklersw.jpg)
Engelbert Winkler, Dr.
Scientific Management and Development
Co-Patentee and
Co-Developer
founding member of
light attendance gmbh
Co-Patentee and
Co-Developer
founding member of
light attendance gmbh
![Sigrid Pearce Sigrid Pearce](/images/sigrid_pearcesw-crop-u20145.jpg)
Sigrid Pearce, Mag.
CEO
shareholder of
light attendance gmbh
![Foto Eva](/images/Foto_Eva.jpeg)
Eva Duschek
Office
currently on maternity leave
![Martin Duschek Martin Duschek](/images/duscheksw.jpg)
Martin Duschek
Public Relations,
Sales and Marketing;
Shareholder of
light attendance gmbh
![Sonja](/images/Sonja_Foto.jpg)
Sonja Vallazza
Office
![Margit Winkler-Raith Margit Winkler-Raith](/images/winkler-raithsw.jpg)
Margit Winkler-Raith
Shareholder of
light attendance gmbh
![Carola Proeckl Carola Proeckl](/images/carola3.jpg)
Carola Zimmer
Shareholder oflight attendance gmbh