| Board of Directors | 2014 – 2017 |
| Board of Directors | 2008 – 2013 |
| Chairman | 2000 – 2001 |
| Board of Directors | 2001 – 2002 |
| Board of Directors | 2017 – 2018 |
| Chairman | 2014 – 2017 |
| Deputy Chairman | 2017 – 2018 |
| Board of Directors | 1998 – 2001 |
| Deputy Chairman | 2016 – 2017 |
| Board of Directors | 2001 – 2014 |
| Chairman | 2002 – 2014 |
| Deputy Chairman | 2014 – 2016 |
| Chairman | 2017 – 2018 |
| Board of Directors | 1998 – 2014 |
| Board of Directors | 1998 – 2000 |