| Chairman | 2019 – 2023 |
| Board of Directors | 2015 – 2019 |
| Chairman | 2002 – 2002 |
| Board of Directors | 2004 – 2007 |
| Board of Directors | 2015 – 2015 |
| Chairman | 2015 – 2019 |
| Board of Directors | 2019 – 2023 |
| Board of Directors | 2002 – 2002 |
| Board of Directors | 2011 – 2015 |
| Board of Directors | 2020 – 2023 |
| Board of Directors | 2015 – 2020 |
| Board of Directors | 2008 – 2015 |
| Board of Directors | 2002 – 2003 |
| Board of Directors | 2007 – 2011 |
| Board of Directors | 2003 – 2008 |
| Board of Directors | 2002 – 2002 |