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Katja Margaretha Siberg
Board of Directors, Uudenmaan Osuuspankki
FI8 active roles
Active roles
8
directorships & management
Past roles
3
historical positions
Dissolved companies
0
in directorship history
- 2026 – nowDeputy Member, Sisuvion Oy
- 2025 – nowChief Executive Officer, Soundless Oy
- 2025 – nowDeputy Member, Sunor Invest Oy
- 2025 – 2025Confidential Clerk, Ferm Foods Oy Ltd
- 2024 – nowConfidential Clerk, Tarhurin Papu Oy
- 2024 – nowBoard of Directors, Sisukas Invest Oy
- 2022 – nowBoard of Directors, Uudenmaan Osuuspankki
- 2022 – nowChief Executive Officer, QOn Oy
- 2022 – nowBoard of Directors, QuietOn Oy
- 2020 – 2023Board of Directors, Lentorata Oy
- 2018 – 2022Person with significant control, Finavia Oyj
Nationality
FI
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Uudenmaan Osuuspankki CVR 0871339-8 | BoardBoard of Directors | Since 2022 | — | Active |
| QOn Oy CVR 2685479-2 | ManagementChief Executive Officer | Since 2022 | — | Active |
| QuietOn Oy CVR 2743885-4 | BoardBoard of Directors | Since 2022 | — | Active |
| Tarhurin Papu Oy CVR 2951974-6 | OtherConfidential Clerk | Since 2024 | — | Dissolved |
| Soundless Oy CVR 3456745-1 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Sisukas Invest Oy CVR 3456971-3 | BoardBoard of Directors | Since 2024 | — | Active |
| Sunor Invest Oy CVR 3547609-2 | OtherDeputy Member | Since 2025 | — | Active |
| Sisuvion Oy CVR 3612986-9 | OtherDeputy Member | Since 2026 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Finavia Oyj CVR 2302570-2 | OtherPerson with significant control | 2018 – 2022 | — | Active |
| Ferm Foods Oy Ltd CVR 3157851-8 | OtherConfidential Clerk | 2025 – 2025 | — | Active |
| Lentorata Oy CVR 3176750-3 | BoardBoard of Directors | 2020 – 2023 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Person with significant control | 1company | View profile | |
| Person with significant control | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Person with significant control | 1company | View profile | |
| Board of Directors | 1company | View profile |