About us

Our tunnelling contacts and underground construction experts are happy to help. Also use the tunnelling contact form to get in touch with us.

Erwin Scherer

Head Tunnelling

T: +49 89 74817183

Dino De Lorenzi

Head of tunnelling France

T: +33 6 74690602

Audun Aaland

Administrerende direktør/CEO & Head of Tunneling Norway

T: +4790154549

Jiri Tomasek Englén

Head Tunnelling Sweden

Thomas Fiest

Head Tunnelling Germany

T: +49 89 74817 370

Rudolf Knopf

Head Tunnelling Austria

M: +43 662 216621 90

Hannes Müller

Head Tunnelling & Traffic Engineering

T: +41 58 4741787

Daniel Spörri

Head Tunnelling Switzerland

T: +41 58 474 08 41