| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| KUNSTINDUSTRIMUSEET I OSLOS FORSKNINGSFOND STI CVR 886287682 | BoardBoard of Directors | Since 2021 | — | Active |
| STIFTELSEN OSLO BYMUSEUM CVR 890889212 | BoardBoard of Directors | Since 2021 | — | Active |
| LINDERUD GÅRDS VENNER CVR 913727037 | BoardBoard of Directors | Since 2023 | — | Active |
| NORSK SELSKAP FOR ORIENTALSK KERAMIKK CVR 996830896 | BoardBoard of Directors | Since 2017 | — | Active |
| FORTIDSMINNEFORENINGEN, OSLO OG OMEGN LOKALLAG CVR 999307485 | BoardChairman | Since 2014 | — | Active |
| KUNSTINDUSTRIMUSEET I OSLO STI CVR 970956034 | BoardBoard of Directors | Since 2022 | — | Active |
| GROSCH & TONSTADFONDET STI CVR 980059790 | BoardBoard of Directors | Since 2021 | — | Active |
| BOGSTAD GÅRDS VENNEFORENING CVR 980539946 | BoardBoard of Directors | Since 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Chairman | 2companies | View profile | |
| Board of Directors | 1company | View profile | |
| Chairman | 1company | View profile | |
| Chairman | 1company | View profile | |
| Deputy Chairman | 1company | View profile |