Management

Nadir Mandioni

CEO

Dipl. El. Ing. HTL, EMBA

Martin Mannhart

Divisional Manager Ventilation

Dipl. HLK- Ing. FH

Raphael Schneider

Divisional Manager Heating Engineering

Dipl. Techniker HF
MAS FHO Energiesysteme

Hanspeter Keller

Divisional Manager Electrical Engineering/Building Automation

Dipl. Elektrotechniker HF
NDS Betriebswirtschaft HF

Christoph Schenk

Divisional Manager Sanitary Engineering

Dipl. Techniker HF 
Fachrichtung Sanitär

Contact

Amstein + Walthert St. Gallen AG
Fürstenlandstrasse 41
CH-9000 St. Gallen

Phone +41 71 221 15 15 

infosg(at)amstein-walthert.ch