| Former (14) |
| External Signatory | 2019 – 2021 |
| Chief Auditor | 2019 – 2021 |
| External Signatory | 2019 – 2021 |
| External Signatory | 2019 – 2021 |
| External Signatory | 2020 – 2021 |
| External Signatory | 2020 – 2021 |
| External Signatory | 2020 – 2021 |
| External Signatory | 2019 – 2021 |
| External Signatory | 2020 – 2021 |
| External Signatory | 2020 – 2021 |
| External Signatory | 2019 – 2021 |
| Chief Auditor | 2021 – 2021 |
| External Signatory | 2019 – 2021 |
| External Signatory | 2020 – 2021 |