| Current (2) |
| Chief Executive Officer | 2020 |
| Founder | 1994 |
| Former (14) |
| Management | 2018 – 2018 |
| Management | 1997 – 2000 |
| Chief Executive Officer | 2016 – 2018 |
| Management | 2000 – 2003 |
| Chief Executive Officer | 2003 – 2006 |
| Chief Executive Officer | 2018 – 2020 |
| Deputy | 2013 – 2016 |
| Chief Executive Officer | 2020 – 2020 |
| Audit | 1994 – 1998 |
| Management | 2007 – 2018 |
| Chief Executive Officer | 1994 – 1997 |
| Management | 2006 – 2006 |
| Chief Executive Officer | 2006 – 2015 |
| Management | 2020 – 2021 |