| Company | Timeline | Status | |
| Holtzbrinck Investment Limited Director • Company Director | 9 Mar 2018←6 Months→30 Sep 2018 | Active | |
| Altmetric 2015 Limited Director • Company Director | 21 Feb 2017←1 Year 7 Months→30 Sep 2018 | Active | |
| Holtzbrinck Science & Technology Limited Director • Company Director | 9 Jan 2017←1 Year 8 Months→30 Sep 2018 | Active | |
