If you have any questions please contact the following person:
![](http://iso-tc211-plenary-vienna.grillmayer.eu/wp-content/uploads/2021/12/grillmayer_p.png)
Roland Grillmayer
Environment Agency Austria
phone: +43 676 9410850
eMail: roland.grillmayer@umweltbundesamt.at
If you require an official invitation letter for the vienna plenary please contact directly
![](https://iso-tc211-plenary-vienna.grillmayer.eu/wp-content/uploads/2021/12/Foto_Jesner-1.jpg)
Lisa Jesner
Austian Standards Institute (ASI)
phone: +43 1 213 00 504
eMail: l.jesner@austrian-standards.at