| Board of Directors | 2012 – 2013 |
| Chairman | 2017 – 2020 |
| Chairman | 2020 – 2022 |
| Board of Directors | 2011 – 2012 |
| Chairman | 2012 – 2015 |
| Board of Directors | 2018 – 2020 |
| Board of Directors | 2017 – 2018 |
| Chairman | 2015 – 2016 |
| Chairman | 2016 – 2017 |
| Chairman | 2011 – 2012 |
| Board of Directors | 2020 – 2022 |
| Board of Directors | 2015 – 2022 |
| Board of Directors | 2013 – 2015 |
| Board of Directors | 2021 – 2022 |
| Board of Directors | 1999 – 2015 |
| Chairman | 1999 – 2011 |
| Board of Directors | 1999 – 2011 |
| Board of Directors | 2015 – 2017 |