Stefan Köhn

Current 3 years and 5 months, since Jan 2019

Current 4 years and 11 months, since Jul 2017

Current 5 years and 1 month, since May 2017

Current 6 years and 8 months, since Oct 2015

11 months, Feb 2018 - Dec 2018

7 months, Dec 2016 - Jun 2017

2 years and 8 months, Mar 2013 - Oct 2015

6 months, Oct 2012 - Mar 2013

2 years and 1 month, Sep 2010 - Sep 2012

2 years, Oct 2008 - Sep 2010

2 years and 6 months, Nov 2006 - Apr 2009

3 months, Sep 2006 - Nov 2006

1 year and 9 months, Dec 2004 - Aug 2006

6 months, Sep 2005 - Feb 2006

1 year and 7 months, Dec 2002 - Jun 2004