| Chief Executive Officer | 2011 – 2013 |
| Unofficial title | 2014 – 2016 |
| Deputy | 2006 – 2013 |
| Deputy | 2006 – 2015 |
| Deputy | 2006 – 2008 |
| Deputy | 2011 – 2013 |
| Unofficial title | 2016 – 2017 |
| Chief Executive Officer | 2013 – 2015 |
| Chief Executive Officer | 2013 – 2013 |
| Chief Executive Officer | 2008 – 2009 |
| Chief Executive Officer | 2015 – 2016 |
| Chief Executive Officer | 2009 – 2011 |
| Deputy | 2009 – 2011 |
| Unofficial title | 2014 – 2016 |
| Management | 2006 – 2008 |
| Deputy | 2008 – 2009 |
| Unofficial title | 2016 – 2017 |
| Founder | 2006 – 2017 |