| Former (16) |
| Stakeholder | 2005 – 2018 |
| Management | 2018 – 2018 |
| Stakeholder | 2005 – 2005 |
| Stakeholder | 2005 – 2018 |
| Stakeholder | 2005 – 2018 |
| Stakeholder | 2005 – 2018 |
| Stakeholder | 2005 – 2018 |
| Stakeholder | 2005 – 2005 |
| Stakeholder | 2005 – 2005 |
| Management | 2018 – 2018 |
| Stakeholder | 2005 – 2018 |
| Management | 2018 – 2018 |
| Stakeholder | 2007 – 2018 |
| Stakeholder | 2005 – 2018 |
| Stakeholder | 2005 – 2005 |
| Stakeholder | 2005 – 2018 |