![](https://www.riwega.com/wp-content/uploads/2022/06/denis.sartori.jpg)
Ing. Denis Sartori
Chief Technical Officer
![](https://www.riwega.com/wp-content/uploads/2017/10/cecilia.piffer-e1716464538334.jpg)
Ing. Cecilia Piffer
Technical Director
![](https://www.riwega.com/wp-content/uploads/2018/01/andrea.ferretti.jpg)
Arch. Andrea Ferretti
External Technical Support North West
![](https://www.riwega.com/wp-content/uploads/2018/01/nicola-fronza-1.jpg)
Geom. Nicola Fronza
External Technical Support Trentino
![](https://www.riwega.com/wp-content/uploads/2018/01/davide.sinigaglia.jpg)
Davide Sinigaglia
External Technical Support North East
![](https://www.riwega.com/wp-content/uploads/2023/09/Alessandro.Tontini.jpg)
Ing. Alessandro Tontini
External Technical Support Central & South Italy
![](https://www.riwega.com/wp-content/uploads/2019/09/hansjörg-maier.jpg)
Hansjörg Maier
Technical Support building physics Alto Adige
![](https://www.riwega.com/wp-content/uploads/2022/11/olaf.kasal_.jpg)