Torbjørn Yri

Torbjørn Yri

Sweco Norge

Vice President,

Rock Engineering

and Geotechnics,

Trondheim

Sweco Norge

Jan Rohde

Jan Rohde

Sweco Norge

Senior Advisor,

Rock engineering

and underground

construction works,

Oslo

Hild Andreassen Kollien

Hild Andreassen Kollien

Sweco Norge

Vice President,

Rock Engineering and

underground works,

Oslo