| Company | Timeline | Status | |
| SLC Work Placement Services C.I.C Director • Chairman | 15 Nov 2016←8 Years→6 Nov 2025 | Active | |
| London Stock Exchange Plc Director • Director | 3 Mar 2016←6 Years→8 Jul 2022 | Active | |
| Scale-Up Institute Director • Company Director | 19 Jan 2016←3 Years→18 Dec 2019 | Active | |
| Raspberry Pi Foundation Director • Company Director | 20 Jul 2015←6 Years→23 Sep 2021 | Active | |
| ZPG Limited Director • Company Director | 1 May 2014←4 Years→11 Jul 2018 | Active | |
| London Stock Exchange Group Plc Director • Director | 17 Jan 2014←2 Years 3 Months→26 Apr 2016 | Active | |
| Wayra Social Ventures Limited Director • Company Director | 23 Jul 2013←1 Year 3 Months→10 Nov 2014 | Dissolved | |
| Raspberry Pi Ltd Director • Company Director | 18 Dec 2012←11 Years→19 Jun 2024 | Active | |
| Art Discovery Limited Director • Company Director | 1 Oct 2010←5 Years→8 Jun 2016 | Active | |
| Cambridge OCR Director • Company Director | 20 May 2010←8 Years→12 Dec 2018 | Active | |
