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Norway
Mariann Ertresvåg

ME

Mariann Ertresvåg

Chief Executive Officer, NORTHSTACK AS

NO3 active roles

Overview Companies & roles Network

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Norway · Data sourcesRisika·Brønnøysundsregistrene

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Free Nordic company intelligence — financials, ownership and corporate hierarchy across Denmark, Norway, Sweden and Finland. By Risika.

Markets

Denmark
Norway
Sweden
Finland

Data sources

CVR / Virk
Brønnøysundsregistrene
Bolagsverket / SCB
PRH / YTJ

Product

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© 2026 Risika A/S · Riskpilot is operated by Risika A/S, CVR 37677892Data updated daily from official Nordic registers

Overview

Active roles

3

directorships & management

Past roles

1

historical positions

Dissolved companies

0

in directorship history

Career timeline

2024 – now
Legal Owner, TELENOR ASA
2019 – 2022
Board of Directors, VIGNITA AS
2017 – now
Chief Executive Officer, NORTHSTACK AS
2012 – now
Chief Executive Officer, BARHAUGHØGDA HOLDING AS

Personal details

Nationality

NO