| Company | Timeline | Status | |
| The Strawberry Hill Trust Director • Retired Architect | 14 Aug 2013←6 Years→21 Mar 2020 | Active | |
| London Parks And Gardens (Trading) Limited Director • Retired Architect | 18 Jun 2008←10 Years→20 Sep 2018 | Active | |
| London Historic Parks And Gardens Trust Director • Architect | 2 Jun 1994←22 Years→22 Jun 2016 | Active | |
