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OM
Olaf Marius Tellefsen
Legal Owner, TGS ASA
NO
3 active roles
Watchlist
Share
Overview
Companies & roles
Network
Active roles
3
directorships & management
Past roles
1
historical positions
Dissolved companies
0
in directorship history
Career timeline
2026 – now
Chairman, KORSNES TELLEFSEN HOLDING AS
2024 – now
Legal Owner, TGS ASA
2024 – now
Legal Owner, NORSK HYDRO ASA
2021 – 2024
Board of Directors, GRIMSTAD TRIALKLUBB
Personal details
Nationality
NO
Active roles
3 positions
Company
Role
Period
Ownership
Status
TGS ASA
CVR 976695372
Owner
Legal Owner
Since 2024
0.0%
Active
NORSK HYDRO ASA
CVR 914778271
Owner
Legal Owner
Since 2024
0.0%
Active
KORSNES TELLEFSEN HOLDING AS
CVR 937301642
Board
Chairman
Since 2026
—
Active
Historical roles
1 positions
Company
Role
Period
Ownership
Status
GRIMSTAD TRIALKLUBB
CVR 994780026
Board
Board of Directors
2021 – 2024
—
Active
Co-directors & shared companies
Person
Role
Shared companies
Profile
OJ
Ole Jacob Gunvaldsen
Chairman
1
company
View profile
OT
Oddne Thygesen
Deputy Chairman
1
company
View profile
DB
Dagny Beathe Jørgensen
Board of Directors
1
company
View profile
IN
Idun Nordskog
Deputy Member
1
company
View profile
BN
Barbro Natalie Nilsen
Chairman
1
company
View profile
Company network
Active roles
Olaf Marius Tellefsen
TGS ASA
Legal Owner
NORSK HYDRO ASA
Legal Owner
KORSNES TELLEFSEN HOLDING AS
Chairman