Ronny Johnsen is a private shareholder. Ronny Johnsen holds stakes in 4 companies, and roles in several others.

Companies Ronny Johnsen owns

Company	Stake
TERMA SCIENCE HOLDING AS	50.0%
TERMA SCIENCE HOLDING AS	50.0%
MARON HOLDING AS	19.5%
MARON HOLDING AS	10.0%

Roles

Styrets leder

3 selskaper

TERMA SCIENCE HOLDING AS 920455220

MARON HOLDING AS 988896179

GREEN FEED MARIN AS 926969420

Daglig leder

1 selskap

MARON HOLDING AS 988896179

Styremedlem

1 selskap

BION GROUP AS 922528977

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.