Ragnhild Marta Wiborg • 1961 • Lysaker • 12 roles • 2 shareholdings

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Roles

Management

Name	Role	Total operating income	Total equity	Shares
C CEREBRUM INVEST AS	Managing Director/CEO	3,591,569	13,718,172	100 % directly

Boards

Name	Role	Total operating income	Total equity	Shares
C CEREBRUM INVEST AS	Chairman	3,591,569	13,718,172	100 % directly
N NORSKE SKOGINDUSTRIER ASA Under liquidation	Board Member	-	-	-
B BRUNSBICA AS	Board Member	-	95,948,984	-
I IMSK SE Under liquidation	Board Member	35,614,000	-414,927,000	-
J JESEM AS	Board Member	-	56,732,335	-
C CLOUDBERRY CLEAN ENERGY ASA	Board Member	2,816,703	3,601,441,414	-
K KISTEFOS AS	Board Member	4,100,000	-	-
A AS TAURUS	Board Member	216,958,268	6,990,092	-
E EWS STIFTELSEN	Board Member	101,390,140	779,793,531	-
J JEV INVEST AS	Board Member	-	43,883,119	-
T TOLUMA AS	Board Member	66,770,095	134,664,689	-

Last update: Apr 24, 2026

Related industries3

Direct relationships5

JT
Jon-Aksel Torgersen1952
NORSKE SKOGINDUSTRIER ASA, IMSK SE
CS
Christen Sveaas1956
NORSKE SKOGINDUSTRIER ASA, KISTEFOS AS
TE
Thor Erik Bakke1942
BRUNSBICA AS, JESEM AS
TW
Thomas Wilhelmsen1974
AS TAURUS, TOLUMA AS
KØ
Kjell-Erik Østdahl1964
CLOUDBERRY CLEAN ENERGY ASA

Shares owned by Ragnhild Marta Wiborg

Name	Share class	Total operating income	Total equity	Share
C CEREBRUM INVEST AS	Ordinære aksjer	3,591,569	13,718,172	100 % directly
H HOLDBORG AS		1,549,018	472,584	50 % indirectly

Limited to direct ownership positions of 0.5% or more.

Last update: Jun 2, 2025