Private · Person · registered roles
Jan Petter Wilhelm Courvoisier Sissener
Active in 4 companiesChair · Board memberOslo
↳ Brreg · company_people
Role timeline
Sirius Securities AS
Styrets leder
Melkeveien 15 AS
Styrets leder
Sissener AS
Styremedlem
Oslo Travklubb
Styremedlem
since 2017 · bars start at the registry's change date — full periods are not published
Across their companies4 · rolled up
Combined revenue
kr 195.3M +
Tenders won
0
Status
all active
Reach
3 industries
Brreg roles + Regnskap · rolled up across their companies — includes historical roles
Reach by industry
Other activities of other membership organisations
1
Fund management activities
1
Development of building projects
1
Other activities auxiliary to financial services, except insurance and pension funding
1
Recent role changes
2026-07-05Became Styremedlem — Oslo Travklubb
2025-05-21Became Styremedlem — Sissener AS
2017-07-31Became Styrets leder — Melkeveien 15 AS
2007-12-04Became Styrets leder — Sirius Securities AS
Signals
Multiple boardscurrent board roles at 2+ companies
computed from Brreg roles