| Chairman | 2022 – 2023 |
| Board of Directors | 1998 – 2004 |
| Board of Directors | 2006 – 2006 |
| Board of Directors | 2022 – 2023 |
| Chairman | 2009 – 2022 |
| Chairman | 2022 – 2022 |
| Board of Directors | 2004 – 2004 |
| Board of Directors | 1997 – 2004 |
| Board of Directors | 2009 – 2011 |
| Board of Directors | 2007 – 2017 |
| Chairman | 2006 – 2007 |
| Board of Directors | 2017 – 2019 |
| Board of Directors | 2019 – 2021 |
| Board of Directors | 2021 – 2023 |
| Board of Directors | 2020 – 2020 |
| Board of Directors | 2005 – 2005 |
| Board of Directors | 2021 – 2021 |
| Board of Directors | 1997 – 1998 |
| Board of Directors | 2021 – 2022 |