| Board of Directors | 2006 – 2016 |
| Board of Directors | 1997 – 2001 |
| Board of Directors | 2018 – 2019 |
| Board of Directors | 2002 – 2004 |
| Board of Directors | 2006 – 2008 |
| Board of Directors | 2004 – 2006 |
| Board of Directors | 2002 – 2004 |
| Board of Directors | 2001 – 2002 |
| Chairman | 1997 – 2006 |
| Chairman | 2011 – 2018 |
| Chairman | 2018 – 2022 |
| Board of Directors | 2022 – 2023 |
| Board of Directors | 2022 – 2023 |
| Chairman | 2006 – 2011 |
| Board of Directors | 1999 – 2001 |
