| Board of Directors | 1993 – 1994 |
| Chairman | 2019 – 2022 |
| Board of Directors | 1997 – 2003 |
| Board of Directors | 2006 – 2022 |
| Board of Directors | 2017 – 2022 |
| Board of Directors | 2003 – 2006 |
| Chairman | 2007 – 2010 |
| Board of Directors | 2006 – 2008 |
| Board of Directors | 1993 – 2006 |
| Board of Directors | 2006 – 2008 |
| Board of Directors | 1993 – 2003 |
| Board of Directors | 1997 – 2003 |
| Board of Directors | 1993 – 1994 |
| Board of Directors | 2006 – 2017 |
| Board of Directors | 2006 – 2010 |
| Chairman | 2005 – 2006 |
| Chairman | 2003 – 2005 |
| Chairman | 1993 – 1997 |