| Company | Timeline | Status | |
| Loewenstein Holdings Limited Director • Director | 23 Mar 2022←3 Years→Current | Active | |
| Loewenstein Ltd Director • Retired | 7 Feb 2020←2 Years 11 Months→3 Jan 2023 | Dissolved | |
| Petersham Environment Trust Ltd Director • Jp | 30 Jul 1999←11 Years→30 Nov 2010 | Active | |
