| Chairman | 2011 – 2016 |
| Board of Directors | 2012 – 2013 |
| Board of Directors | 2011 – 2013 |
| Chairman | 2023 – 2024 |
| Board of Directors | 2018 – 2021 |
| Chairman | 2016 – 2018 |
| Chairman | 2005 – 2011 |
| Board of Directors | 2005 – 2011 |
| Board of Directors | 2018 – 2021 |
| Board of Directors | 2021 – 2024 |
| Chairman | 2018 – 2023 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 2013 – 2016 |
| Board of Directors | 2023 – 2024 |
| Board of Directors | 2012 – 2013 |
| Chairman | 2000 – 2005 |