| Company | Timeline | Status | |
| Vistage Group Worldwide Limited Director • Ceo | 30 May 2013←2 Years 7 Months→10 Jan 2016 | Dissolved | |
| Vistage Company (UK) Limited Director • Ceo | 30 May 2013←2 Years 7 Months→10 Jan 2016 | Dissolved | |
| Vistage International (UK) Limited Director • Ceo | 30 May 2013←2 Years 7 Months→10 Jan 2016 | Active | |
| The Advisory Board Company Director • Chief Executive Officer | 15 Nov 2004←13 Years→17 Nov 2017 | Converted/Closed | |
