| Company | Timeline | Status | |
| The Player Piano Group Director • Retired | 21 Jan 2023←2 Years 6 Months→30 Jul 2025 | Active | |
| The Player Piano Group Director • Historian | 20 Jul 2013←2 Years 10 Months→16 May 2016 | Active | |
| Electrofluidics Limited Director • Director | 19 Jan 2000←25 Years→30 Jul 2025 | Active | |
