| Current (2) |
| External Signatory | 2025 |
| Chief Auditor | 2025 |
| Former (14) |
| External Signatory | 2020 – 2022 |
| Chief Auditor | 2024 – 2025 |
| External Signatory | 2024 – 2025 |
| External Signatory | 2024 – 2025 |
| External Signatory | 2022 – 2025 |
| External Signatory | 2020 – 2022 |
| External Signatory | 2020 – 2023 |
| External Signatory | 2024 – 2025 |
| External Signatory | 2020 – 2024 |
| External Signatory | 2020 – 2024 |
| External Signatory | 2022 – 2024 |
| External Signatory | 2022 – 2025 |
| Chief Auditor | 2023 – 2024 |
| External Signatory | 2020 – 2021 |